diff --git a/lib/pleroma/web/api_spec/operations/account_operation.ex b/lib/pleroma/web/api_spec/operations/account_operation.ex
index fcf030037..bf8d21059 100644
--- a/lib/pleroma/web/api_spec/operations/account_operation.ex
+++ b/lib/pleroma/web/api_spec/operations/account_operation.ex
@@ -7,6 +7,7 @@ defmodule Pleroma.Web.ApiSpec.AccountOperation do
   alias OpenApiSpex.Reference
   alias OpenApiSpex.Schema
   alias Pleroma.Web.ApiSpec.Schemas.Account
+  alias Pleroma.Web.ApiSpec.Schemas.ApiError
   alias Pleroma.Web.ApiSpec.Schemas.AccountCreateRequest
   alias Pleroma.Web.ApiSpec.Schemas.AccountCreateResponse
   alias Pleroma.Web.ApiSpec.Schemas.AccountFollowsRequest
@@ -38,7 +39,10 @@ def create_operation do
       operationId: "AccountController.create",
       requestBody: request_body("Parameters", AccountCreateRequest, required: true),
       responses: %{
-        200 => Operation.response("Account", "application/json", AccountCreateResponse)
+        200 => Operation.response("Account", "application/json", AccountCreateResponse),
+        400 => Operation.response("Error", "application/json", ApiError),
+        403 => Operation.response("Error", "application/json", ApiError),
+        429 => Operation.response("Error", "application/json", ApiError)
       }
     }
   end
@@ -65,7 +69,8 @@ def update_credentials_operation do
       security: [%{"oAuth" => ["write:accounts"]}],
       requestBody: request_body("Parameters", AccountUpdateCredentialsRequest, required: true),
       responses: %{
-        200 => Operation.response("Account", "application/json", Account)
+        200 => Operation.response("Account", "application/json", Account),
+        403 => Operation.response("Error", "application/json", ApiError)
       }
     }
   end
@@ -102,7 +107,8 @@ def show_operation do
       description: "View information about a profile.",
       parameters: [%Reference{"$ref": "#/components/parameters/accountIdOrNickname"}],
       responses: %{
-        200 => Operation.response("Account", "application/json", Account)
+        200 => Operation.response("Account", "application/json", Account),
+        404 => Operation.response("Error", "application/json", ApiError)
       }
     }
   end
@@ -140,7 +146,8 @@ def statuses_operation do
           )
         ] ++ pagination_params(),
       responses: %{
-        200 => Operation.response("Statuses", "application/json", StatusesResponse)
+        200 => Operation.response("Statuses", "application/json", StatusesResponse),
+        404 => Operation.response("Error", "application/json", ApiError)
       }
     }
   end
@@ -204,7 +211,9 @@ def follow_operation do
         )
       ],
       responses: %{
-        200 => Operation.response("Relationship", "application/json", AccountRelationship)
+        200 => Operation.response("Relationship", "application/json", AccountRelationship),
+        400 => Operation.response("Error", "application/json", ApiError),
+        404 => Operation.response("Error", "application/json", ApiError)
       }
     }
   end
@@ -218,7 +227,9 @@ def unfollow_operation do
       description: "Unfollow the given account",
       parameters: [%Reference{"$ref": "#/components/parameters/accountIdOrNickname"}],
       responses: %{
-        200 => Operation.response("Relationship", "application/json", AccountRelationship)
+        200 => Operation.response("Relationship", "application/json", AccountRelationship),
+        400 => Operation.response("Error", "application/json", ApiError),
+        404 => Operation.response("Error", "application/json", ApiError)
       }
     }
   end
@@ -298,7 +309,9 @@ def follows_operation do
       security: [%{"oAuth" => ["follow", "write:follows"]}],
       requestBody: request_body("Parameters", AccountFollowsRequest, required: true),
       responses: %{
-        200 => Operation.response("Account", "application/json", AccountRelationship)
+        200 => Operation.response("Account", "application/json", AccountRelationship),
+        400 => Operation.response("Error", "application/json", ApiError),
+        404 => Operation.response("Error", "application/json", ApiError)
       }
     }
   end
diff --git a/lib/pleroma/web/api_spec/schemas/account.ex b/lib/pleroma/web/api_spec/schemas/account.ex
index f57015254..d128feb30 100644
--- a/lib/pleroma/web/api_spec/schemas/account.ex
+++ b/lib/pleroma/web/api_spec/schemas/account.ex
@@ -41,7 +41,7 @@ defmodule Pleroma.Web.ApiSpec.Schemas.Account do
         type: :object,
         properties: %{
           allow_following_move: %Schema{type: :boolean},
-          background_image: %Schema{type: :boolean, nullable: true},
+          background_image: %Schema{type: :string, nullable: true},
           chat_token: %Schema{type: :string},
           confirmation_pending: %Schema{type: :boolean},
           hide_favorites: %Schema{type: :boolean},
diff --git a/lib/pleroma/web/controller_helper.ex b/lib/pleroma/web/controller_helper.ex
index 4780081b2..eb97ae975 100644
--- a/lib/pleroma/web/controller_helper.ex
+++ b/lib/pleroma/web/controller_helper.ex
@@ -82,8 +82,9 @@ def add_link_headers(conn, activities, extra_params) do
     end
   end
 
-  def assign_account_by_id(%{params: %{"id" => id}} = conn, _) do
-    case Pleroma.User.get_cached_by_id(id) do
+  def assign_account_by_id(conn, _) do
+    # TODO: use `conn.params[:id]` only after moving to OpenAPI
+    case Pleroma.User.get_cached_by_id(conn.params[:id] || conn.params["id"]) do
       %Pleroma.User{} = account -> assign(conn, :account, account)
       nil -> Pleroma.Web.MastodonAPI.FallbackController.call(conn, {:error, :not_found}) |> halt()
     end
diff --git a/lib/pleroma/web/mastodon_api/controllers/account_controller.ex b/lib/pleroma/web/mastodon_api/controllers/account_controller.ex
index 93df79645..b1513001b 100644
--- a/lib/pleroma/web/mastodon_api/controllers/account_controller.ex
+++ b/lib/pleroma/web/mastodon_api/controllers/account_controller.ex
@@ -26,6 +26,8 @@ defmodule Pleroma.Web.MastodonAPI.AccountController do
   alias Pleroma.Web.OAuth.Token
   alias Pleroma.Web.TwitterAPI.TwitterAPI
 
+  plug(OpenApiSpex.Plug.CastAndValidate, render_error: Pleroma.Web.ApiSpec.RenderError)
+
   plug(:skip_plug, OAuthScopesPlug when action == :identity_proofs)
 
   plug(
@@ -83,8 +85,6 @@ defmodule Pleroma.Web.MastodonAPI.AccountController do
   plug(RateLimiter, [name: :app_account_creation] when action == :create)
   plug(:assign_account_by_id when action in @needs_account)
 
-  plug(OpenApiSpex.Plug.CastAndValidate, render_error: Pleroma.Web.ApiSpec.RenderError)
-
   action_fallback(Pleroma.Web.MastodonAPI.FallbackController)
 
   defdelegate open_api_operation(action), to: Pleroma.Web.ApiSpec.AccountOperation
diff --git a/test/support/conn_case.ex b/test/support/conn_case.ex
index 8099461cc..fa30a0c41 100644
--- a/test/support/conn_case.ex
+++ b/test/support/conn_case.ex
@@ -56,7 +56,14 @@ defp request_content_type(%{conn: conn}) do
         [conn: conn]
       end
 
-      defp json_response_and_validate_schema(conn, status \\ nil) do
+      defp json_response_and_validate_schema(
+             %{
+               private: %{
+                 open_api_spex: %{operation_id: op_id, operation_lookup: lookup, spec: spec}
+               }
+             } = conn,
+             status
+           ) do
         content_type =
           conn
           |> Plug.Conn.get_resp_header("content-type")
@@ -64,10 +71,12 @@ defp json_response_and_validate_schema(conn, status \\ nil) do
           |> String.split(";")
           |> List.first()
 
-        status = status || conn.status
+        status = Plug.Conn.Status.code(status)
 
-        %{private: %{open_api_spex: %{operation_id: op_id, operation_lookup: lookup, spec: spec}}} =
-          conn
+        unless lookup[op_id].responses[status] do
+          err = "Response schema not found for #{conn.status} #{conn.method} #{conn.request_path}"
+          flunk(err)
+        end
 
         schema = lookup[op_id].responses[status].content[content_type].schema
         json = json_response(conn, status)
@@ -92,6 +101,10 @@ defp json_response_and_validate_schema(conn, status \\ nil) do
         end
       end
 
+      defp json_response_and_validate_schema(conn, _status) do
+        flunk("Response schema not found for #{conn.method} #{conn.request_path} #{conn.status}")
+      end
+
       defp ensure_federating_or_authenticated(conn, url, user) do
         initial_setting = Config.get([:instance, :federating])
         on_exit(fn -> Config.put([:instance, :federating], initial_setting) end)
diff --git a/test/web/mastodon_api/controllers/account_controller/update_credentials_test.exs b/test/web/mastodon_api/controllers/account_controller/update_credentials_test.exs
index a3356c12f..fdb6d4c5d 100644
--- a/test/web/mastodon_api/controllers/account_controller/update_credentials_test.exs
+++ b/test/web/mastodon_api/controllers/account_controller/update_credentials_test.exs
@@ -26,7 +26,7 @@ test "sets user settings in a generic way", %{conn: conn} do
           }
         })
 
-      assert user_data = json_response(res_conn, 200)
+      assert user_data = json_response_and_validate_schema(res_conn, 200)
       assert user_data["pleroma"]["settings_store"] == %{"pleroma_fe" => %{"theme" => "bla"}}
 
       user = Repo.get(User, user_data["id"])
@@ -42,7 +42,7 @@ test "sets user settings in a generic way", %{conn: conn} do
           }
         })
 
-      assert user_data = json_response(res_conn, 200)
+      assert user_data = json_response_and_validate_schema(res_conn, 200)
 
       assert user_data["pleroma"]["settings_store"] ==
                %{
@@ -63,7 +63,7 @@ test "sets user settings in a generic way", %{conn: conn} do
           }
         })
 
-      assert user_data = json_response(res_conn, 200)
+      assert user_data = json_response_and_validate_schema(res_conn, 200)
 
       assert user_data["pleroma"]["settings_store"] ==
                %{
@@ -80,7 +80,7 @@ test "updates the user's bio", %{conn: conn} do
           "note" => "I drink #cofe with @#{user2.nickname}\n\nsuya.."
         })
 
-      assert user_data = json_response(conn, 200)
+      assert user_data = json_response_and_validate_schema(conn, 200)
 
       assert user_data["note"] ==
                ~s(I drink <a class="hashtag" data-tag="cofe" href="http://localhost:4001/tag/cofe">#cofe</a> with <span class="h-card"><a class="u-url mention" data-user="#{
@@ -91,7 +91,7 @@ test "updates the user's bio", %{conn: conn} do
     test "updates the user's locking status", %{conn: conn} do
       conn = patch(conn, "/api/v1/accounts/update_credentials", %{locked: "true"})
 
-      assert user_data = json_response(conn, 200)
+      assert user_data = json_response_and_validate_schema(conn, 200)
       assert user_data["locked"] == true
     end
 
@@ -101,21 +101,21 @@ test "updates the user's allow_following_move", %{user: user, conn: conn} do
       conn = patch(conn, "/api/v1/accounts/update_credentials", %{allow_following_move: "false"})
 
       assert refresh_record(user).allow_following_move == false
-      assert user_data = json_response(conn, 200)
+      assert user_data = json_response_and_validate_schema(conn, 200)
       assert user_data["pleroma"]["allow_following_move"] == false
     end
 
     test "updates the user's default scope", %{conn: conn} do
       conn = patch(conn, "/api/v1/accounts/update_credentials", %{default_scope: "unlisted"})
 
-      assert user_data = json_response(conn, 200)
+      assert user_data = json_response_and_validate_schema(conn, 200)
       assert user_data["source"]["privacy"] == "unlisted"
     end
 
     test "updates the user's hide_followers status", %{conn: conn} do
       conn = patch(conn, "/api/v1/accounts/update_credentials", %{hide_followers: "true"})
 
-      assert user_data = json_response(conn, 200)
+      assert user_data = json_response_and_validate_schema(conn, 200)
       assert user_data["pleroma"]["hide_followers"] == true
     end
 
@@ -123,12 +123,12 @@ test "updates the user's discoverable status", %{conn: conn} do
       assert %{"source" => %{"pleroma" => %{"discoverable" => true}}} =
                conn
                |> patch("/api/v1/accounts/update_credentials", %{discoverable: "true"})
-               |> json_response(:ok)
+               |> json_response_and_validate_schema(:ok)
 
       assert %{"source" => %{"pleroma" => %{"discoverable" => false}}} =
                conn
                |> patch("/api/v1/accounts/update_credentials", %{discoverable: "false"})
-               |> json_response(:ok)
+               |> json_response_and_validate_schema(:ok)
     end
 
     test "updates the user's hide_followers_count and hide_follows_count", %{conn: conn} do
@@ -138,7 +138,7 @@ test "updates the user's hide_followers_count and hide_follows_count", %{conn: c
           hide_follows_count: "true"
         })
 
-      assert user_data = json_response(conn, 200)
+      assert user_data = json_response_and_validate_schema(conn, 200)
       assert user_data["pleroma"]["hide_followers_count"] == true
       assert user_data["pleroma"]["hide_follows_count"] == true
     end
@@ -147,7 +147,7 @@ test "updates the user's skip_thread_containment option", %{user: user, conn: co
       response =
         conn
         |> patch("/api/v1/accounts/update_credentials", %{skip_thread_containment: "true"})
-        |> json_response(200)
+        |> json_response_and_validate_schema(200)
 
       assert response["pleroma"]["skip_thread_containment"] == true
       assert refresh_record(user).skip_thread_containment
@@ -156,28 +156,28 @@ test "updates the user's skip_thread_containment option", %{user: user, conn: co
     test "updates the user's hide_follows status", %{conn: conn} do
       conn = patch(conn, "/api/v1/accounts/update_credentials", %{hide_follows: "true"})
 
-      assert user_data = json_response(conn, 200)
+      assert user_data = json_response_and_validate_schema(conn, 200)
       assert user_data["pleroma"]["hide_follows"] == true
     end
 
     test "updates the user's hide_favorites status", %{conn: conn} do
       conn = patch(conn, "/api/v1/accounts/update_credentials", %{hide_favorites: "true"})
 
-      assert user_data = json_response(conn, 200)
+      assert user_data = json_response_and_validate_schema(conn, 200)
       assert user_data["pleroma"]["hide_favorites"] == true
     end
 
     test "updates the user's show_role status", %{conn: conn} do
       conn = patch(conn, "/api/v1/accounts/update_credentials", %{show_role: "false"})
 
-      assert user_data = json_response(conn, 200)
+      assert user_data = json_response_and_validate_schema(conn, 200)
       assert user_data["source"]["pleroma"]["show_role"] == false
     end
 
     test "updates the user's no_rich_text status", %{conn: conn} do
       conn = patch(conn, "/api/v1/accounts/update_credentials", %{no_rich_text: "true"})
 
-      assert user_data = json_response(conn, 200)
+      assert user_data = json_response_and_validate_schema(conn, 200)
       assert user_data["source"]["pleroma"]["no_rich_text"] == true
     end
 
@@ -185,7 +185,7 @@ test "updates the user's name", %{conn: conn} do
       conn =
         patch(conn, "/api/v1/accounts/update_credentials", %{"display_name" => "markorepairs"})
 
-      assert user_data = json_response(conn, 200)
+      assert user_data = json_response_and_validate_schema(conn, 200)
       assert user_data["display_name"] == "markorepairs"
     end
 
@@ -198,7 +198,7 @@ test "updates the user's avatar", %{user: user, conn: conn} do
 
       conn = patch(conn, "/api/v1/accounts/update_credentials", %{"avatar" => new_avatar})
 
-      assert user_response = json_response(conn, 200)
+      assert user_response = json_response_and_validate_schema(conn, 200)
       assert user_response["avatar"] != User.avatar_url(user)
     end
 
@@ -211,7 +211,7 @@ test "updates the user's banner", %{user: user, conn: conn} do
 
       conn = patch(conn, "/api/v1/accounts/update_credentials", %{"header" => new_header})
 
-      assert user_response = json_response(conn, 200)
+      assert user_response = json_response_and_validate_schema(conn, 200)
       assert user_response["header"] != User.banner_url(user)
     end
 
@@ -227,7 +227,7 @@ test "updates the user's background", %{conn: conn} do
           "pleroma_background_image" => new_header
         })
 
-      assert user_response = json_response(conn, 200)
+      assert user_response = json_response_and_validate_schema(conn, 200)
       assert user_response["pleroma"]["background_image"]
     end
 
@@ -244,9 +244,9 @@ test "requires 'write:accounts' permission" do
 
         if token == token1 do
           assert %{"error" => "Insufficient permissions: write:accounts."} ==
-                   json_response(conn, 403)
+                   json_response_and_validate_schema(conn, 403)
         else
-          assert json_response(conn, 200)
+          assert json_response_and_validate_schema(conn, 200)
         end
       end
     end
@@ -261,11 +261,11 @@ test "updates profile emojos", %{user: user, conn: conn} do
           "display_name" => name
         })
 
-      assert json_response(ret_conn, 200)
+      assert json_response_and_validate_schema(ret_conn, 200)
 
       conn = get(conn, "/api/v1/accounts/#{user.id}")
 
-      assert user_data = json_response(conn, 200)
+      assert user_data = json_response_and_validate_schema(conn, 200)
 
       assert user_data["note"] == note
       assert user_data["display_name"] == name
@@ -281,7 +281,7 @@ test "update fields", %{conn: conn} do
       account_data =
         conn
         |> patch("/api/v1/accounts/update_credentials", %{"fields_attributes" => fields})
-        |> json_response(200)
+        |> json_response_and_validate_schema(200)
 
       assert account_data["fields"] == [
                %{"name" => "<a href=\"http://google.com\">foo</a>", "value" => "bar"},
@@ -314,7 +314,7 @@ test "update fields via x-www-form-urlencoded", %{conn: conn} do
         conn
         |> put_req_header("content-type", "application/x-www-form-urlencoded")
         |> patch("/api/v1/accounts/update_credentials", fields)
-        |> json_response(200)
+        |> json_response_and_validate_schema(200)
 
       assert account["fields"] == [
                %{"name" => "foo", "value" => "bar"},
@@ -339,7 +339,7 @@ test "update fields with empty name", %{conn: conn} do
       account =
         conn
         |> patch("/api/v1/accounts/update_credentials", %{"fields_attributes" => fields})
-        |> json_response(200)
+        |> json_response_and_validate_schema(200)
 
       assert account["fields"] == [
                %{"name" => "foo", "value" => ""}
@@ -358,14 +358,14 @@ test "update fields when invalid request", %{conn: conn} do
       assert %{"error" => "Invalid request"} ==
                conn
                |> patch("/api/v1/accounts/update_credentials", %{"fields_attributes" => fields})
-               |> json_response(403)
+               |> json_response_and_validate_schema(403)
 
       fields = [%{"name" => long_name, "value" => "bar"}]
 
       assert %{"error" => "Invalid request"} ==
                conn
                |> patch("/api/v1/accounts/update_credentials", %{"fields_attributes" => fields})
-               |> json_response(403)
+               |> json_response_and_validate_schema(403)
 
       Pleroma.Config.put([:instance, :max_account_fields], 1)
 
@@ -377,7 +377,7 @@ test "update fields when invalid request", %{conn: conn} do
       assert %{"error" => "Invalid request"} ==
                conn
                |> patch("/api/v1/accounts/update_credentials", %{"fields_attributes" => fields})
-               |> json_response(403)
+               |> json_response_and_validate_schema(403)
     end
   end
 end
diff --git a/test/web/mastodon_api/controllers/account_controller_test.exs b/test/web/mastodon_api/controllers/account_controller_test.exs
index d885b5e08..ba70ba66c 100644
--- a/test/web/mastodon_api/controllers/account_controller_test.exs
+++ b/test/web/mastodon_api/controllers/account_controller_test.exs
@@ -10,54 +10,46 @@ defmodule Pleroma.Web.MastodonAPI.AccountControllerTest do
   alias Pleroma.User
   alias Pleroma.Web.ActivityPub.ActivityPub
   alias Pleroma.Web.ActivityPub.InternalFetchActor
-  alias Pleroma.Web.ApiSpec
   alias Pleroma.Web.CommonAPI
   alias Pleroma.Web.OAuth.Token
 
-  import OpenApiSpex.TestAssertions
   import Pleroma.Factory
 
   describe "account fetching" do
     setup do: clear_config([:instance, :limit_to_local_content])
 
     test "works by id" do
-      user = insert(:user)
+      %User{id: user_id} = insert(:user)
 
-      conn =
-        build_conn()
-        |> get("/api/v1/accounts/#{user.id}")
+      assert %{"id" => ^user_id} =
+               build_conn()
+               |> get("/api/v1/accounts/#{user_id}")
+               |> json_response_and_validate_schema(200)
 
-      assert %{"id" => id} = json_response(conn, 200)
-      assert id == to_string(user.id)
-
-      conn =
-        build_conn()
-        |> get("/api/v1/accounts/-1")
-
-      assert %{"error" => "Can't find user"} = json_response(conn, 404)
+      assert %{"error" => "Can't find user"} =
+               build_conn()
+               |> get("/api/v1/accounts/-1")
+               |> json_response_and_validate_schema(404)
     end
 
     test "works by nickname" do
       user = insert(:user)
 
-      conn =
-        build_conn()
-        |> get("/api/v1/accounts/#{user.nickname}")
-
-      assert %{"id" => id} = json_response(conn, 200)
-      assert id == user.id
+      assert %{"id" => user_id} =
+               build_conn()
+               |> get("/api/v1/accounts/#{user.nickname}")
+               |> json_response_and_validate_schema(200)
     end
 
     test "works by nickname for remote users" do
       Config.put([:instance, :limit_to_local_content], false)
+
       user = insert(:user, nickname: "user@example.com", local: false)
 
-      conn =
-        build_conn()
-        |> get("/api/v1/accounts/#{user.nickname}")
-
-      assert %{"id" => id} = json_response(conn, 200)
-      assert id == user.id
+      assert %{"id" => user_id} =
+               build_conn()
+               |> get("/api/v1/accounts/#{user.nickname}")
+               |> json_response_and_validate_schema(200)
     end
 
     test "respects limit_to_local_content == :all for remote user nicknames" do
@@ -65,11 +57,9 @@ test "respects limit_to_local_content == :all for remote user nicknames" do
 
       user = insert(:user, nickname: "user@example.com", local: false)
 
-      conn =
-        build_conn()
-        |> get("/api/v1/accounts/#{user.nickname}")
-
-      assert json_response(conn, 404)
+      assert build_conn()
+             |> get("/api/v1/accounts/#{user.nickname}")
+             |> json_response_and_validate_schema(404)
     end
 
     test "respects limit_to_local_content == :unauthenticated for remote user nicknames" do
@@ -82,7 +72,7 @@ test "respects limit_to_local_content == :unauthenticated for remote user nickna
         build_conn()
         |> get("/api/v1/accounts/#{user.nickname}")
 
-      assert json_response(conn, 404)
+      assert json_response_and_validate_schema(conn, 404)
 
       conn =
         build_conn()
@@ -90,7 +80,7 @@ test "respects limit_to_local_content == :unauthenticated for remote user nickna
         |> assign(:token, insert(:oauth_token, user: reading_user, scopes: ["read:accounts"]))
         |> get("/api/v1/accounts/#{user.nickname}")
 
-      assert %{"id" => id} = json_response(conn, 200)
+      assert %{"id" => id} = json_response_and_validate_schema(conn, 200)
       assert id == user.id
     end
 
@@ -101,21 +91,21 @@ test "accounts fetches correct account for nicknames beginning with numbers", %{
       user_one = insert(:user, %{id: 1212})
       user_two = insert(:user, %{nickname: "#{user_one.id}garbage"})
 
-      resp_one =
+      acc_one =
         conn
         |> get("/api/v1/accounts/#{user_one.id}")
+        |> json_response_and_validate_schema(:ok)
 
-      resp_two =
+      acc_two =
         conn
         |> get("/api/v1/accounts/#{user_two.nickname}")
+        |> json_response_and_validate_schema(:ok)
 
-      resp_three =
+      acc_three =
         conn
         |> get("/api/v1/accounts/#{user_two.id}")
+        |> json_response_and_validate_schema(:ok)
 
-      acc_one = json_response(resp_one, 200)
-      acc_two = json_response(resp_two, 200)
-      acc_three = json_response(resp_three, 200)
       refute acc_one == acc_two
       assert acc_two == acc_three
     end
@@ -123,23 +113,19 @@ test "accounts fetches correct account for nicknames beginning with numbers", %{
     test "returns 404 when user is invisible", %{conn: conn} do
       user = insert(:user, %{invisible: true})
 
-      resp =
-        conn
-        |> get("/api/v1/accounts/#{user.nickname}")
-        |> json_response(404)
-
-      assert %{"error" => "Can't find user"} = resp
+      assert %{"error" => "Can't find user"} =
+               conn
+               |> get("/api/v1/accounts/#{user.nickname}")
+               |> json_response_and_validate_schema(404)
     end
 
     test "returns 404 for internal.fetch actor", %{conn: conn} do
       %User{nickname: "internal.fetch"} = InternalFetchActor.get_actor()
 
-      resp =
-        conn
-        |> get("/api/v1/accounts/internal.fetch")
-        |> json_response(404)
-
-      assert %{"error" => "Can't find user"} = resp
+      assert %{"error" => "Can't find user"} =
+               conn
+               |> get("/api/v1/accounts/internal.fetch")
+               |> json_response_and_validate_schema(404)
     end
   end
 
@@ -157,27 +143,25 @@ defp local_and_remote_users do
     setup do: clear_config([:restrict_unauthenticated, :profiles, :remote], true)
 
     test "if user is unauthenticated", %{conn: conn, local: local, remote: remote} do
-      res_conn = get(conn, "/api/v1/accounts/#{local.id}")
+      assert %{"error" => "Can't find user"} ==
+               conn
+               |> get("/api/v1/accounts/#{local.id}")
+               |> json_response_and_validate_schema(:not_found)
 
-      assert json_response(res_conn, :not_found) == %{
-               "error" => "Can't find user"
-             }
-
-      res_conn = get(conn, "/api/v1/accounts/#{remote.id}")
-
-      assert json_response(res_conn, :not_found) == %{
-               "error" => "Can't find user"
-             }
+      assert %{"error" => "Can't find user"} ==
+               conn
+               |> get("/api/v1/accounts/#{remote.id}")
+               |> json_response_and_validate_schema(:not_found)
     end
 
     test "if user is authenticated", %{local: local, remote: remote} do
       %{conn: conn} = oauth_access(["read"])
 
       res_conn = get(conn, "/api/v1/accounts/#{local.id}")
-      assert %{"id" => _} = json_response(res_conn, 200)
+      assert %{"id" => _} = json_response_and_validate_schema(res_conn, 200)
 
       res_conn = get(conn, "/api/v1/accounts/#{remote.id}")
-      assert %{"id" => _} = json_response(res_conn, 200)
+      assert %{"id" => _} = json_response_and_validate_schema(res_conn, 200)
     end
   end
 
@@ -189,22 +173,22 @@ test "if user is authenticated", %{local: local, remote: remote} do
     test "if user is unauthenticated", %{conn: conn, local: local, remote: remote} do
       res_conn = get(conn, "/api/v1/accounts/#{local.id}")
 
-      assert json_response(res_conn, :not_found) == %{
+      assert json_response_and_validate_schema(res_conn, :not_found) == %{
                "error" => "Can't find user"
              }
 
       res_conn = get(conn, "/api/v1/accounts/#{remote.id}")
-      assert %{"id" => _} = json_response(res_conn, 200)
+      assert %{"id" => _} = json_response_and_validate_schema(res_conn, 200)
     end
 
     test "if user is authenticated", %{local: local, remote: remote} do
       %{conn: conn} = oauth_access(["read"])
 
       res_conn = get(conn, "/api/v1/accounts/#{local.id}")
-      assert %{"id" => _} = json_response(res_conn, 200)
+      assert %{"id" => _} = json_response_and_validate_schema(res_conn, 200)
 
       res_conn = get(conn, "/api/v1/accounts/#{remote.id}")
-      assert %{"id" => _} = json_response(res_conn, 200)
+      assert %{"id" => _} = json_response_and_validate_schema(res_conn, 200)
     end
   end
 
@@ -215,11 +199,11 @@ test "if user is authenticated", %{local: local, remote: remote} do
 
     test "if user is unauthenticated", %{conn: conn, local: local, remote: remote} do
       res_conn = get(conn, "/api/v1/accounts/#{local.id}")
-      assert %{"id" => _} = json_response(res_conn, 200)
+      assert %{"id" => _} = json_response_and_validate_schema(res_conn, 200)
 
       res_conn = get(conn, "/api/v1/accounts/#{remote.id}")
 
-      assert json_response(res_conn, :not_found) == %{
+      assert json_response_and_validate_schema(res_conn, :not_found) == %{
                "error" => "Can't find user"
              }
     end
@@ -228,10 +212,10 @@ test "if user is authenticated", %{local: local, remote: remote} do
       %{conn: conn} = oauth_access(["read"])
 
       res_conn = get(conn, "/api/v1/accounts/#{local.id}")
-      assert %{"id" => _} = json_response(res_conn, 200)
+      assert %{"id" => _} = json_response_and_validate_schema(res_conn, 200)
 
       res_conn = get(conn, "/api/v1/accounts/#{remote.id}")
-      assert %{"id" => _} = json_response(res_conn, 200)
+      assert %{"id" => _} = json_response_and_validate_schema(res_conn, 200)
     end
   end
 
@@ -247,28 +231,37 @@ test "respects blocks", %{user: user_one, conn: conn} do
       {:ok, activity} = CommonAPI.post(user_two, %{"status" => "User one sux0rz"})
       {:ok, repeat, _} = CommonAPI.repeat(activity.id, user_three)
 
-      assert resp = get(conn, "/api/v1/accounts/#{user_two.id}/statuses") |> json_response(200)
+      assert resp =
+               conn
+               |> get("/api/v1/accounts/#{user_two.id}/statuses")
+               |> json_response_and_validate_schema(200)
+
       assert [%{"id" => id}] = resp
-      assert_schema(resp, "StatusesResponse", ApiSpec.spec())
       assert id == activity.id
 
       # Even a blocked user will deliver the full user timeline, there would be
       #   no point in looking at a blocked users timeline otherwise
-      assert resp = get(conn, "/api/v1/accounts/#{user_two.id}/statuses") |> json_response(200)
+      assert resp =
+               conn
+               |> get("/api/v1/accounts/#{user_two.id}/statuses")
+               |> json_response_and_validate_schema(200)
+
       assert [%{"id" => id}] = resp
       assert id == activity.id
-      assert_schema(resp, "StatusesResponse", ApiSpec.spec())
 
       # Third user's timeline includes the repeat when viewed by unauthenticated user
-      resp = get(build_conn(), "/api/v1/accounts/#{user_three.id}/statuses") |> json_response(200)
+      resp =
+        build_conn()
+        |> get("/api/v1/accounts/#{user_three.id}/statuses")
+        |> json_response_and_validate_schema(200)
+
       assert [%{"id" => id}] = resp
       assert id == repeat.id
-      assert_schema(resp, "StatusesResponse", ApiSpec.spec())
 
       # When viewing a third user's timeline, the blocked users' statuses will NOT be shown
       resp = get(conn, "/api/v1/accounts/#{user_three.id}/statuses")
 
-      assert [] = json_response(resp, 200)
+      assert [] == json_response_and_validate_schema(resp, 200)
     end
 
     test "gets users statuses", %{conn: conn} do
@@ -289,34 +282,36 @@ test "gets users statuses", %{conn: conn} do
       {:ok, private_activity} =
         CommonAPI.post(user_one, %{"status" => "private", "visibility" => "private"})
 
-      resp = get(conn, "/api/v1/accounts/#{user_one.id}/statuses") |> json_response(200)
+      # TODO!!!
+      resp =
+        conn
+        |> get("/api/v1/accounts/#{user_one.id}/statuses")
+        |> json_response_and_validate_schema(200)
+
       assert [%{"id" => id}] = resp
       assert id == to_string(activity.id)
-      assert_schema(resp, "StatusesResponse", ApiSpec.spec())
 
       resp =
         conn
         |> assign(:user, user_two)
         |> assign(:token, insert(:oauth_token, user: user_two, scopes: ["read:statuses"]))
         |> get("/api/v1/accounts/#{user_one.id}/statuses")
-        |> json_response(200)
+        |> json_response_and_validate_schema(200)
 
       assert [%{"id" => id_one}, %{"id" => id_two}] = resp
       assert id_one == to_string(direct_activity.id)
       assert id_two == to_string(activity.id)
-      assert_schema(resp, "StatusesResponse", ApiSpec.spec())
 
       resp =
         conn
         |> assign(:user, user_three)
         |> assign(:token, insert(:oauth_token, user: user_three, scopes: ["read:statuses"]))
         |> get("/api/v1/accounts/#{user_one.id}/statuses")
-        |> json_response(200)
+        |> json_response_and_validate_schema(200)
 
       assert [%{"id" => id_one}, %{"id" => id_two}] = resp
       assert id_one == to_string(private_activity.id)
       assert id_two == to_string(activity.id)
-      assert_schema(resp, "StatusesResponse", ApiSpec.spec())
     end
 
     test "unimplemented pinned statuses feature", %{conn: conn} do
@@ -325,7 +320,7 @@ test "unimplemented pinned statuses feature", %{conn: conn} do
 
       conn = get(conn, "/api/v1/accounts/#{user.id}/statuses?pinned=true")
 
-      assert json_response(conn, 200) == []
+      assert json_response_and_validate_schema(conn, 200) == []
     end
 
     test "gets an users media", %{conn: conn} do
@@ -340,61 +335,48 @@ test "gets an users media", %{conn: conn} do
 
       {:ok, %{id: media_id}} = ActivityPub.upload(file, actor: user.ap_id)
 
-      {:ok, image_post} = CommonAPI.post(user, %{"status" => "cofe", "media_ids" => [media_id]})
+      {:ok, %{id: image_post_id}} =
+        CommonAPI.post(user, %{"status" => "cofe", "media_ids" => [media_id]})
 
       conn = get(conn, "/api/v1/accounts/#{user.id}/statuses?only_media=true")
 
-      assert [%{"id" => id}] = json_response(conn, 200)
-      assert id == to_string(image_post.id)
-      assert_schema(json_response(conn, 200), "StatusesResponse", ApiSpec.spec())
+      assert [%{"id" => ^image_post_id}] = json_response_and_validate_schema(conn, 200)
 
       conn = get(build_conn(), "/api/v1/accounts/#{user.id}/statuses?only_media=1")
 
-      assert [%{"id" => id}] = json_response(conn, 200)
-      assert id == to_string(image_post.id)
-      assert_schema(json_response(conn, 200), "StatusesResponse", ApiSpec.spec())
+      assert [%{"id" => ^image_post_id}] = json_response_and_validate_schema(conn, 200)
     end
 
     test "gets a user's statuses without reblogs", %{user: user, conn: conn} do
-      {:ok, post} = CommonAPI.post(user, %{"status" => "HI!!!"})
-      {:ok, _, _} = CommonAPI.repeat(post.id, user)
+      {:ok, %{id: post_id}} = CommonAPI.post(user, %{"status" => "HI!!!"})
+      {:ok, _, _} = CommonAPI.repeat(post_id, user)
 
       conn = get(conn, "/api/v1/accounts/#{user.id}/statuses?exclude_reblogs=true")
-
-      assert [%{"id" => id}] = json_response(conn, 200)
-      assert id == to_string(post.id)
-      assert_schema(json_response(conn, 200), "StatusesResponse", ApiSpec.spec())
+      assert [%{"id" => ^post_id}] = json_response_and_validate_schema(conn, 200)
 
       conn = get(conn, "/api/v1/accounts/#{user.id}/statuses?exclude_reblogs=1")
-
-      assert [%{"id" => id}] = json_response(conn, 200)
-      assert id == to_string(post.id)
-      assert_schema(json_response(conn, 200), "StatusesResponse", ApiSpec.spec())
+      assert [%{"id" => ^post_id}] = json_response_and_validate_schema(conn, 200)
     end
 
     test "filters user's statuses by a hashtag", %{user: user, conn: conn} do
-      {:ok, post} = CommonAPI.post(user, %{"status" => "#hashtag"})
+      {:ok, %{id: post_id}} = CommonAPI.post(user, %{"status" => "#hashtag"})
       {:ok, _post} = CommonAPI.post(user, %{"status" => "hashtag"})
 
       conn = get(conn, "/api/v1/accounts/#{user.id}/statuses?tagged=hashtag")
-
-      assert [%{"id" => id}] = json_response(conn, 200)
-      assert id == to_string(post.id)
-      assert_schema(json_response(conn, 200), "StatusesResponse", ApiSpec.spec())
+      assert [%{"id" => ^post_id}] = json_response_and_validate_schema(conn, 200)
     end
 
     test "the user views their own timelines and excludes direct messages", %{
       user: user,
       conn: conn
     } do
-      {:ok, public_activity} = CommonAPI.post(user, %{"status" => ".", "visibility" => "public"})
+      {:ok, %{id: public_activity_id}} =
+        CommonAPI.post(user, %{"status" => ".", "visibility" => "public"})
+
       {:ok, _direct_activity} = CommonAPI.post(user, %{"status" => ".", "visibility" => "direct"})
 
       conn = get(conn, "/api/v1/accounts/#{user.id}/statuses?exclude_visibilities[]=direct")
-
-      assert [%{"id" => id}] = json_response(conn, 200)
-      assert id == to_string(public_activity.id)
-      assert_schema(json_response(conn, 200), "StatusesResponse", ApiSpec.spec())
+      assert [%{"id" => ^public_activity_id}] = json_response_and_validate_schema(conn, 200)
     end
   end
 
@@ -414,29 +396,25 @@ defp local_and_remote_activities(%{local: local, remote: remote}) do
     setup do: clear_config([:restrict_unauthenticated, :profiles, :remote], true)
 
     test "if user is unauthenticated", %{conn: conn, local: local, remote: remote} do
-      res_conn = get(conn, "/api/v1/accounts/#{local.id}/statuses")
+      assert %{"error" => "Can't find user"} ==
+               conn
+               |> get("/api/v1/accounts/#{local.id}/statuses")
+               |> json_response_and_validate_schema(:not_found)
 
-      assert json_response(res_conn, :not_found) == %{
-               "error" => "Can't find user"
-             }
-
-      res_conn = get(conn, "/api/v1/accounts/#{remote.id}/statuses")
-
-      assert json_response(res_conn, :not_found) == %{
-               "error" => "Can't find user"
-             }
+      assert %{"error" => "Can't find user"} ==
+               conn
+               |> get("/api/v1/accounts/#{remote.id}/statuses")
+               |> json_response_and_validate_schema(:not_found)
     end
 
     test "if user is authenticated", %{local: local, remote: remote} do
       %{conn: conn} = oauth_access(["read"])
 
       res_conn = get(conn, "/api/v1/accounts/#{local.id}/statuses")
-      assert length(json_response(res_conn, 200)) == 1
-      assert_schema(json_response(res_conn, 200), "StatusesResponse", ApiSpec.spec())
+      assert length(json_response_and_validate_schema(res_conn, 200)) == 1
 
       res_conn = get(conn, "/api/v1/accounts/#{remote.id}/statuses")
-      assert length(json_response(res_conn, 200)) == 1
-      assert_schema(json_response(res_conn, 200), "StatusesResponse", ApiSpec.spec())
+      assert length(json_response_and_validate_schema(res_conn, 200)) == 1
     end
   end
 
@@ -447,27 +425,23 @@ test "if user is authenticated", %{local: local, remote: remote} do
     setup do: clear_config([:restrict_unauthenticated, :profiles, :local], true)
 
     test "if user is unauthenticated", %{conn: conn, local: local, remote: remote} do
-      res_conn = get(conn, "/api/v1/accounts/#{local.id}/statuses")
-
-      assert json_response(res_conn, :not_found) == %{
-               "error" => "Can't find user"
-             }
+      assert %{"error" => "Can't find user"} ==
+               conn
+               |> get("/api/v1/accounts/#{local.id}/statuses")
+               |> json_response_and_validate_schema(:not_found)
 
       res_conn = get(conn, "/api/v1/accounts/#{remote.id}/statuses")
-      assert length(json_response(res_conn, 200)) == 1
-      assert_schema(json_response(res_conn, 200), "StatusesResponse", ApiSpec.spec())
+      assert length(json_response_and_validate_schema(res_conn, 200)) == 1
     end
 
     test "if user is authenticated", %{local: local, remote: remote} do
       %{conn: conn} = oauth_access(["read"])
 
       res_conn = get(conn, "/api/v1/accounts/#{local.id}/statuses")
-      assert length(json_response(res_conn, 200)) == 1
-      assert_schema(json_response(res_conn, 200), "StatusesResponse", ApiSpec.spec())
+      assert length(json_response_and_validate_schema(res_conn, 200)) == 1
 
       res_conn = get(conn, "/api/v1/accounts/#{remote.id}/statuses")
-      assert length(json_response(res_conn, 200)) == 1
-      assert_schema(json_response(res_conn, 200), "StatusesResponse", ApiSpec.spec())
+      assert length(json_response_and_validate_schema(res_conn, 200)) == 1
     end
   end
 
@@ -479,26 +453,22 @@ test "if user is authenticated", %{local: local, remote: remote} do
 
     test "if user is unauthenticated", %{conn: conn, local: local, remote: remote} do
       res_conn = get(conn, "/api/v1/accounts/#{local.id}/statuses")
-      assert length(json_response(res_conn, 200)) == 1
-      assert_schema(json_response(res_conn, 200), "StatusesResponse", ApiSpec.spec())
+      assert length(json_response_and_validate_schema(res_conn, 200)) == 1
 
-      res_conn = get(conn, "/api/v1/accounts/#{remote.id}/statuses")
-
-      assert json_response(res_conn, :not_found) == %{
-               "error" => "Can't find user"
-             }
+      assert %{"error" => "Can't find user"} ==
+               conn
+               |> get("/api/v1/accounts/#{remote.id}/statuses")
+               |> json_response_and_validate_schema(:not_found)
     end
 
     test "if user is authenticated", %{local: local, remote: remote} do
       %{conn: conn} = oauth_access(["read"])
 
       res_conn = get(conn, "/api/v1/accounts/#{local.id}/statuses")
-      assert length(json_response(res_conn, 200)) == 1
-      assert_schema(json_response(res_conn, 200), "StatusesResponse", ApiSpec.spec())
+      assert length(json_response_and_validate_schema(res_conn, 200)) == 1
 
       res_conn = get(conn, "/api/v1/accounts/#{remote.id}/statuses")
-      assert length(json_response(res_conn, 200)) == 1
-      assert_schema(json_response(res_conn, 200), "StatusesResponse", ApiSpec.spec())
+      assert length(json_response_and_validate_schema(res_conn, 200)) == 1
     end
   end
 
@@ -507,13 +477,11 @@ test "if user is authenticated", %{local: local, remote: remote} do
 
     test "getting followers", %{user: user, conn: conn} do
       other_user = insert(:user)
-      {:ok, user} = User.follow(user, other_user)
+      {:ok, %{id: user_id}} = User.follow(user, other_user)
 
       conn = get(conn, "/api/v1/accounts/#{other_user.id}/followers")
 
-      assert [%{"id" => id}] = json_response(conn, 200)
-      assert id == to_string(user.id)
-      assert_schema(json_response(conn, 200), "AccountsResponse", ApiSpec.spec())
+      assert [%{"id" => ^user_id}] = json_response_and_validate_schema(conn, 200)
     end
 
     test "getting followers, hide_followers", %{user: user, conn: conn} do
@@ -522,7 +490,7 @@ test "getting followers, hide_followers", %{user: user, conn: conn} do
 
       conn = get(conn, "/api/v1/accounts/#{other_user.id}/followers")
 
-      assert [] == json_response(conn, 200)
+      assert [] == json_response_and_validate_schema(conn, 200)
     end
 
     test "getting followers, hide_followers, same user requesting" do
@@ -536,40 +504,31 @@ test "getting followers, hide_followers, same user requesting" do
         |> assign(:token, insert(:oauth_token, user: other_user, scopes: ["read:accounts"]))
         |> get("/api/v1/accounts/#{other_user.id}/followers")
 
-      refute [] == json_response(conn, 200)
-      assert_schema(json_response(conn, 200), "AccountsResponse", ApiSpec.spec())
+      refute [] == json_response_and_validate_schema(conn, 200)
     end
 
     test "getting followers, pagination", %{user: user, conn: conn} do
-      follower1 = insert(:user)
-      follower2 = insert(:user)
-      follower3 = insert(:user)
-      {:ok, _} = User.follow(follower1, user)
-      {:ok, _} = User.follow(follower2, user)
-      {:ok, _} = User.follow(follower3, user)
+      {:ok, %User{id: follower1_id}} = :user |> insert() |> User.follow(user)
+      {:ok, %User{id: follower2_id}} = :user |> insert() |> User.follow(user)
+      {:ok, %User{id: follower3_id}} = :user |> insert() |> User.follow(user)
 
-      res_conn = get(conn, "/api/v1/accounts/#{user.id}/followers?since_id=#{follower1.id}")
+      assert [%{"id" => ^follower3_id}, %{"id" => ^follower2_id}] =
+               conn
+               |> get("/api/v1/accounts/#{user.id}/followers?since_id=#{follower1_id}")
+               |> json_response_and_validate_schema(200)
 
-      assert [%{"id" => id3}, %{"id" => id2}] = json_response(res_conn, 200)
-      assert id3 == follower3.id
-      assert id2 == follower2.id
-      assert_schema(json_response(res_conn, 200), "AccountsResponse", ApiSpec.spec())
+      assert [%{"id" => ^follower2_id}, %{"id" => ^follower1_id}] =
+               conn
+               |> get("/api/v1/accounts/#{user.id}/followers?max_id=#{follower3_id}")
+               |> json_response_and_validate_schema(200)
 
-      res_conn = get(conn, "/api/v1/accounts/#{user.id}/followers?max_id=#{follower3.id}")
+      res_conn = get(conn, "/api/v1/accounts/#{user.id}/followers?limit=1&max_id=#{follower3_id}")
 
-      assert [%{"id" => id2}, %{"id" => id1}] = json_response(res_conn, 200)
-      assert id2 == follower2.id
-      assert id1 == follower1.id
-
-      res_conn = get(conn, "/api/v1/accounts/#{user.id}/followers?limit=1&max_id=#{follower3.id}")
-
-      assert [%{"id" => id2}] = json_response(res_conn, 200)
-      assert id2 == follower2.id
+      assert [%{"id" => ^follower2_id}] = json_response_and_validate_schema(res_conn, 200)
 
       assert [link_header] = get_resp_header(res_conn, "link")
-      assert link_header =~ ~r/min_id=#{follower2.id}/
-      assert link_header =~ ~r/max_id=#{follower2.id}/
-      assert_schema(json_response(res_conn, 200), "AccountsResponse", ApiSpec.spec())
+      assert link_header =~ ~r/min_id=#{follower2_id}/
+      assert link_header =~ ~r/max_id=#{follower2_id}/
     end
   end
 
@@ -582,9 +541,8 @@ test "getting following", %{user: user, conn: conn} do
 
       conn = get(conn, "/api/v1/accounts/#{user.id}/following")
 
-      assert [%{"id" => id}] = json_response(conn, 200)
+      assert [%{"id" => id}] = json_response_and_validate_schema(conn, 200)
       assert id == to_string(other_user.id)
-      assert_schema(json_response(conn, 200), "AccountsResponse", ApiSpec.spec())
     end
 
     test "getting following, hide_follows, other user requesting" do
@@ -598,8 +556,7 @@ test "getting following, hide_follows, other user requesting" do
         |> assign(:token, insert(:oauth_token, user: other_user, scopes: ["read:accounts"]))
         |> get("/api/v1/accounts/#{user.id}/following")
 
-      assert [] == json_response(conn, 200)
-      assert_schema(json_response(conn, 200), "AccountsResponse", ApiSpec.spec())
+      assert [] == json_response_and_validate_schema(conn, 200)
     end
 
     test "getting following, hide_follows, same user requesting" do
@@ -613,7 +570,7 @@ test "getting following, hide_follows, same user requesting" do
         |> assign(:token, insert(:oauth_token, user: user, scopes: ["read:accounts"]))
         |> get("/api/v1/accounts/#{user.id}/following")
 
-      refute [] == json_response(conn, 200)
+      refute [] == json_response_and_validate_schema(conn, 200)
     end
 
     test "getting following, pagination", %{user: user, conn: conn} do
@@ -626,28 +583,25 @@ test "getting following, pagination", %{user: user, conn: conn} do
 
       res_conn = get(conn, "/api/v1/accounts/#{user.id}/following?since_id=#{following1.id}")
 
-      assert [%{"id" => id3}, %{"id" => id2}] = json_response(res_conn, 200)
+      assert [%{"id" => id3}, %{"id" => id2}] = json_response_and_validate_schema(res_conn, 200)
       assert id3 == following3.id
       assert id2 == following2.id
-      assert_schema(json_response(res_conn, 200), "AccountsResponse", ApiSpec.spec())
 
       res_conn = get(conn, "/api/v1/accounts/#{user.id}/following?max_id=#{following3.id}")
 
-      assert [%{"id" => id2}, %{"id" => id1}] = json_response(res_conn, 200)
+      assert [%{"id" => id2}, %{"id" => id1}] = json_response_and_validate_schema(res_conn, 200)
       assert id2 == following2.id
       assert id1 == following1.id
-      assert_schema(json_response(res_conn, 200), "AccountsResponse", ApiSpec.spec())
 
       res_conn =
         get(conn, "/api/v1/accounts/#{user.id}/following?limit=1&max_id=#{following3.id}")
 
-      assert [%{"id" => id2}] = json_response(res_conn, 200)
+      assert [%{"id" => id2}] = json_response_and_validate_schema(res_conn, 200)
       assert id2 == following2.id
 
       assert [link_header] = get_resp_header(res_conn, "link")
       assert link_header =~ ~r/min_id=#{following2.id}/
       assert link_header =~ ~r/max_id=#{following2.id}/
-      assert_schema(json_response(res_conn, 200), "AccountsResponse", ApiSpec.spec())
     end
   end
 
@@ -655,40 +609,37 @@ test "getting following, pagination", %{user: user, conn: conn} do
     setup do: oauth_access(["follow"])
 
     test "following / unfollowing a user", %{conn: conn} do
-      other_user = insert(:user)
+      %{id: other_user_id, nickname: other_user_nickname} = insert(:user)
 
-      ret_conn = post(conn, "/api/v1/accounts/#{other_user.id}/follow")
+      assert %{"id" => _id, "following" => true} =
+               conn
+               |> post("/api/v1/accounts/#{other_user_id}/follow")
+               |> json_response_and_validate_schema(200)
 
-      assert %{"id" => _id, "following" => true} = json_response(ret_conn, 200)
-      assert_schema(json_response(ret_conn, 200), "AccountRelationship", ApiSpec.spec())
+      assert %{"id" => _id, "following" => false} =
+               conn
+               |> post("/api/v1/accounts/#{other_user_id}/unfollow")
+               |> json_response_and_validate_schema(200)
 
-      ret_conn = post(conn, "/api/v1/accounts/#{other_user.id}/unfollow")
-
-      assert %{"id" => _id, "following" => false} = json_response(ret_conn, 200)
-      assert_schema(json_response(ret_conn, 200), "AccountRelationship", ApiSpec.spec())
-
-      conn =
-        conn
-        |> put_req_header("content-type", "application/json")
-        |> post("/api/v1/follows", %{"uri" => other_user.nickname})
-
-      assert %{"id" => id} = json_response(conn, 200)
-      assert id == to_string(other_user.id)
-      assert_schema(json_response(conn, 200), "Account", ApiSpec.spec())
+      assert %{"id" => ^other_user_id} =
+               conn
+               |> put_req_header("content-type", "application/json")
+               |> post("/api/v1/follows", %{"uri" => other_user_nickname})
+               |> json_response_and_validate_schema(200)
     end
 
     test "cancelling follow request", %{conn: conn} do
       %{id: other_user_id} = insert(:user, %{locked: true})
 
-      resp = conn |> post("/api/v1/accounts/#{other_user_id}/follow") |> json_response(:ok)
+      assert %{"id" => ^other_user_id, "following" => false, "requested" => true} =
+               conn
+               |> post("/api/v1/accounts/#{other_user_id}/follow")
+               |> json_response_and_validate_schema(:ok)
 
-      assert %{"id" => ^other_user_id, "following" => false, "requested" => true} = resp
-      assert_schema(resp, "AccountRelationship", ApiSpec.spec())
-
-      resp = conn |> post("/api/v1/accounts/#{other_user_id}/unfollow") |> json_response(:ok)
-
-      assert %{"id" => ^other_user_id, "following" => false, "requested" => false} = resp
-      assert_schema(resp, "AccountRelationship", ApiSpec.spec())
+      assert %{"id" => ^other_user_id, "following" => false, "requested" => false} =
+               conn
+               |> post("/api/v1/accounts/#{other_user_id}/unfollow")
+               |> json_response_and_validate_schema(:ok)
     end
 
     test "following without reblogs" do
@@ -698,50 +649,53 @@ test "following without reblogs" do
 
       ret_conn = post(conn, "/api/v1/accounts/#{followed.id}/follow?reblogs=false")
 
-      assert %{"showing_reblogs" => false} = json_response(ret_conn, 200)
-      assert_schema(json_response(ret_conn, 200), "AccountRelationship", ApiSpec.spec())
+      assert %{"showing_reblogs" => false} = json_response_and_validate_schema(ret_conn, 200)
 
       {:ok, activity} = CommonAPI.post(other_user, %{"status" => "hey"})
-      {:ok, reblog, _} = CommonAPI.repeat(activity.id, followed)
+      {:ok, %{id: reblog_id}, _} = CommonAPI.repeat(activity.id, followed)
 
-      ret_conn = get(conn, "/api/v1/timelines/home")
+      assert [] ==
+               conn
+               |> get("/api/v1/timelines/home")
+               |> json_response(200)
 
-      assert [] == json_response(ret_conn, 200)
+      assert %{"showing_reblogs" => true} =
+               conn
+               |> post("/api/v1/accounts/#{followed.id}/follow?reblogs=true")
+               |> json_response_and_validate_schema(200)
 
-      ret_conn = post(conn, "/api/v1/accounts/#{followed.id}/follow?reblogs=true")
-
-      assert %{"showing_reblogs" => true} = json_response(ret_conn, 200)
-      assert_schema(json_response(ret_conn, 200), "AccountRelationship", ApiSpec.spec())
-
-      conn = get(conn, "/api/v1/timelines/home")
-
-      expected_activity_id = reblog.id
-      assert [%{"id" => ^expected_activity_id}] = json_response(conn, 200)
+      assert [%{"id" => ^reblog_id}] =
+               conn
+               |> get("/api/v1/timelines/home")
+               |> json_response(200)
     end
 
     test "following / unfollowing errors", %{user: user, conn: conn} do
       # self follow
       conn_res = post(conn, "/api/v1/accounts/#{user.id}/follow")
-      assert %{"error" => "Can not follow yourself"} = json_response(conn_res, 400)
+
+      assert %{"error" => "Can not follow yourself"} =
+               json_response_and_validate_schema(conn_res, 400)
 
       # self unfollow
       user = User.get_cached_by_id(user.id)
       conn_res = post(conn, "/api/v1/accounts/#{user.id}/unfollow")
-      assert %{"error" => "Can not unfollow yourself"} = json_response(conn_res, 400)
+
+      assert %{"error" => "Can not unfollow yourself"} =
+               json_response_and_validate_schema(conn_res, 400)
 
       # self follow via uri
       user = User.get_cached_by_id(user.id)
 
-      conn_res =
-        conn
-        |> put_req_header("content-type", "multipart/form-data")
-        |> post("/api/v1/follows", %{"uri" => user.nickname})
-
-      assert %{"error" => "Can not follow yourself"} = json_response(conn_res, 400)
+      assert %{"error" => "Can not follow yourself"} =
+               conn
+               |> put_req_header("content-type", "multipart/form-data")
+               |> post("/api/v1/follows", %{"uri" => user.nickname})
+               |> json_response_and_validate_schema(400)
 
       # follow non existing user
       conn_res = post(conn, "/api/v1/accounts/doesntexist/follow")
-      assert %{"error" => "Record not found"} = json_response(conn_res, 404)
+      assert %{"error" => "Record not found"} = json_response_and_validate_schema(conn_res, 404)
 
       # follow non existing user via uri
       conn_res =
@@ -749,11 +703,11 @@ test "following / unfollowing errors", %{user: user, conn: conn} do
         |> put_req_header("content-type", "multipart/form-data")
         |> post("/api/v1/follows", %{"uri" => "doesntexist"})
 
-      assert %{"error" => "Record not found"} = json_response(conn_res, 404)
+      assert %{"error" => "Record not found"} = json_response_and_validate_schema(conn_res, 404)
 
       # unfollow non existing user
       conn_res = post(conn, "/api/v1/accounts/doesntexist/unfollow")
-      assert %{"error" => "Record not found"} = json_response(conn_res, 404)
+      assert %{"error" => "Record not found"} = json_response_and_validate_schema(conn_res, 404)
     end
   end
 
@@ -763,21 +717,16 @@ test "following / unfollowing errors", %{user: user, conn: conn} do
     test "with notifications", %{conn: conn} do
       other_user = insert(:user)
 
-      ret_conn =
-        conn
-        |> put_req_header("content-type", "application/json")
-        |> post("/api/v1/accounts/#{other_user.id}/mute")
-
-      response = json_response(ret_conn, 200)
-
-      assert %{"id" => _id, "muting" => true, "muting_notifications" => true} = response
-      assert_schema(response, "AccountRelationship", ApiSpec.spec())
+      assert %{"id" => _id, "muting" => true, "muting_notifications" => true} =
+               conn
+               |> put_req_header("content-type", "application/json")
+               |> post("/api/v1/accounts/#{other_user.id}/mute")
+               |> json_response_and_validate_schema(200)
 
       conn = post(conn, "/api/v1/accounts/#{other_user.id}/unmute")
 
-      response = json_response(conn, 200)
-      assert %{"id" => _id, "muting" => false, "muting_notifications" => false} = response
-      assert_schema(response, "AccountRelationship", ApiSpec.spec())
+      assert %{"id" => _id, "muting" => false, "muting_notifications" => false} =
+               json_response_and_validate_schema(conn, 200)
     end
 
     test "without notifications", %{conn: conn} do
@@ -788,16 +737,13 @@ test "without notifications", %{conn: conn} do
         |> put_req_header("content-type", "multipart/form-data")
         |> post("/api/v1/accounts/#{other_user.id}/mute", %{"notifications" => "false"})
 
-      response = json_response(ret_conn, 200)
-
-      assert %{"id" => _id, "muting" => true, "muting_notifications" => false} = response
-      assert_schema(response, "AccountRelationship", ApiSpec.spec())
+      assert %{"id" => _id, "muting" => true, "muting_notifications" => false} =
+               json_response_and_validate_schema(ret_conn, 200)
 
       conn = post(conn, "/api/v1/accounts/#{other_user.id}/unmute")
 
-      response = json_response(conn, 200)
-      assert %{"id" => _id, "muting" => false, "muting_notifications" => false} = response
-      assert_schema(response, "AccountRelationship", ApiSpec.spec())
+      assert %{"id" => _id, "muting" => false, "muting_notifications" => false} =
+               json_response_and_validate_schema(conn, 200)
     end
   end
 
@@ -810,17 +756,13 @@ test "without notifications", %{conn: conn} do
       [conn: conn, user: user, activity: activity]
     end
 
-    test "returns pinned statuses", %{conn: conn, user: user, activity: activity} do
-      {:ok, _} = CommonAPI.pin(activity.id, user)
+    test "returns pinned statuses", %{conn: conn, user: user, activity: %{id: activity_id}} do
+      {:ok, _} = CommonAPI.pin(activity_id, user)
 
-      result =
-        conn
-        |> get("/api/v1/accounts/#{user.id}/statuses?pinned=true")
-        |> json_response(200)
-
-      id_str = to_string(activity.id)
-
-      assert [%{"id" => ^id_str, "pinned" => true}] = result
+      assert [%{"id" => ^activity_id, "pinned" => true}] =
+               conn
+               |> get("/api/v1/accounts/#{user.id}/statuses?pinned=true")
+               |> json_response_and_validate_schema(200)
     end
   end
 
@@ -830,13 +772,11 @@ test "blocking / unblocking a user" do
 
     ret_conn = post(conn, "/api/v1/accounts/#{other_user.id}/block")
 
-    assert %{"id" => _id, "blocking" => true} = json_response(ret_conn, 200)
-    assert_schema(json_response(ret_conn, 200), "AccountRelationship", ApiSpec.spec())
+    assert %{"id" => _id, "blocking" => true} = json_response_and_validate_schema(ret_conn, 200)
 
     conn = post(conn, "/api/v1/accounts/#{other_user.id}/unblock")
 
-    assert %{"id" => _id, "blocking" => false} = json_response(conn, 200)
-    assert_schema(json_response(ret_conn, 200), "AccountRelationship", ApiSpec.spec())
+    assert %{"id" => _id, "blocking" => false} = json_response_and_validate_schema(conn, 200)
   end
 
   describe "create account by app" do
@@ -863,15 +803,15 @@ test "Account registration via Application", %{conn: conn} do
           scopes: "read, write, follow"
         })
 
-      %{
-        "client_id" => client_id,
-        "client_secret" => client_secret,
-        "id" => _,
-        "name" => "client_name",
-        "redirect_uri" => "urn:ietf:wg:oauth:2.0:oob",
-        "vapid_key" => _,
-        "website" => nil
-      } = json_response(conn, 200)
+      assert %{
+               "client_id" => client_id,
+               "client_secret" => client_secret,
+               "id" => _,
+               "name" => "client_name",
+               "redirect_uri" => "urn:ietf:wg:oauth:2.0:oob",
+               "vapid_key" => _,
+               "website" => nil
+             } = json_response_and_validate_schema(conn, 200)
 
       conn =
         post(conn, "/oauth/token", %{
@@ -906,7 +846,7 @@ test "Account registration via Application", %{conn: conn} do
         "created_at" => _created_at,
         "scope" => _scope,
         "token_type" => "Bearer"
-      } = json_response(conn, 200)
+      } = json_response_and_validate_schema(conn, 200)
 
       token_from_db = Repo.get_by(Token, token: token)
       assert token_from_db
@@ -926,7 +866,9 @@ test "returns error when user already registred", %{conn: conn, valid_params: va
         |> put_req_header("content-type", "application/json")
         |> post("/api/v1/accounts", valid_params)
 
-      assert json_response(res, 400) == %{"error" => "{\"email\":[\"has already been taken\"]}"}
+      assert json_response_and_validate_schema(res, 400) == %{
+               "error" => "{\"email\":[\"has already been taken\"]}"
+             }
     end
 
     test "returns bad_request if missing required params", %{
@@ -941,7 +883,7 @@ test "returns bad_request if missing required params", %{
         |> put_req_header("content-type", "application/json")
 
       res = post(conn, "/api/v1/accounts", valid_params)
-      assert json_response(res, 200)
+      assert json_response_and_validate_schema(res, 200)
 
       [{127, 0, 0, 1}, {127, 0, 0, 2}, {127, 0, 0, 3}, {127, 0, 0, 4}]
       |> Stream.zip(Map.delete(valid_params, :email))
@@ -950,7 +892,7 @@ test "returns bad_request if missing required params", %{
           conn
           |> Map.put(:remote_ip, ip)
           |> post("/api/v1/accounts", Map.delete(valid_params, attr))
-          |> json_response(400)
+          |> json_response_and_validate_schema(400)
 
         assert res == %{
                  "error" => "Missing field: #{attr}.",
@@ -983,14 +925,16 @@ test "returns bad_request if missing email params when :account_activation_requi
         |> Map.put(:remote_ip, {127, 0, 0, 5})
         |> post("/api/v1/accounts", Map.delete(valid_params, :email))
 
-      assert json_response(res, 400) == %{"error" => "Missing parameters"}
+      assert json_response_and_validate_schema(res, 400) == %{"error" => "Missing parameters"}
 
       res =
         conn
         |> Map.put(:remote_ip, {127, 0, 0, 6})
         |> post("/api/v1/accounts", Map.put(valid_params, :email, ""))
 
-      assert json_response(res, 400) == %{"error" => "{\"email\":[\"can't be blank\"]}"}
+      assert json_response_and_validate_schema(res, 400) == %{
+               "error" => "{\"email\":[\"can't be blank\"]}"
+             }
     end
 
     test "allow registration without an email", %{conn: conn, valid_params: valid_params} do
@@ -1003,7 +947,7 @@ test "allow registration without an email", %{conn: conn, valid_params: valid_pa
         |> Map.put(:remote_ip, {127, 0, 0, 7})
         |> post("/api/v1/accounts", Map.delete(valid_params, :email))
 
-      assert json_response(res, 200)
+      assert json_response_and_validate_schema(res, 200)
     end
 
     test "allow registration with an empty email", %{conn: conn, valid_params: valid_params} do
@@ -1016,7 +960,7 @@ test "allow registration with an empty email", %{conn: conn, valid_params: valid
         |> Map.put(:remote_ip, {127, 0, 0, 8})
         |> post("/api/v1/accounts", Map.put(valid_params, :email, ""))
 
-      assert json_response(res, 200)
+      assert json_response_and_validate_schema(res, 200)
     end
 
     test "returns forbidden if token is invalid", %{conn: conn, valid_params: valid_params} do
@@ -1026,7 +970,7 @@ test "returns forbidden if token is invalid", %{conn: conn, valid_params: valid_
         |> put_req_header("content-type", "multipart/form-data")
         |> post("/api/v1/accounts", valid_params)
 
-      assert json_response(res, 403) == %{"error" => "Invalid credentials"}
+      assert json_response_and_validate_schema(res, 403) == %{"error" => "Invalid credentials"}
     end
 
     test "registration from trusted app" do
@@ -1056,7 +1000,7 @@ test "registration from trusted app" do
           password: "some_password",
           confirm: "some_password"
         })
-        |> json_response(200)
+        |> json_response_and_validate_schema(200)
 
       assert %{
                "access_token" => access_token,
@@ -1069,7 +1013,7 @@ test "registration from trusted app" do
         build_conn()
         |> Plug.Conn.put_req_header("authorization", "Bearer " <> access_token)
         |> get("/api/v1/accounts/verify_credentials")
-        |> json_response(200)
+        |> json_response_and_validate_schema(200)
 
       assert %{
                "acct" => "Lain",
@@ -1125,7 +1069,7 @@ test "respects rate limit setting", %{conn: conn} do
           "created_at" => _created_at,
           "scope" => _scope,
           "token_type" => "Bearer"
-        } = json_response(conn, 200)
+        } = json_response_and_validate_schema(conn, 200)
 
         token_from_db = Repo.get_by(Token, token: token)
         assert token_from_db
@@ -1143,7 +1087,9 @@ test "respects rate limit setting", %{conn: conn} do
           agreement: true
         })
 
-      assert json_response(conn, :too_many_requests) == %{"error" => "Throttled"}
+      assert json_response_and_validate_schema(conn, :too_many_requests) == %{
+               "error" => "Throttled"
+             }
     end
   end
 
@@ -1151,16 +1097,13 @@ test "respects rate limit setting", %{conn: conn} do
     test "returns lists to which the account belongs" do
       %{user: user, conn: conn} = oauth_access(["read:lists"])
       other_user = insert(:user)
-      assert {:ok, %Pleroma.List{} = list} = Pleroma.List.create("Test List", user)
+      assert {:ok, %Pleroma.List{id: list_id} = list} = Pleroma.List.create("Test List", user)
       {:ok, %{following: _following}} = Pleroma.List.follow(list, other_user)
 
-      res =
-        conn
-        |> get("/api/v1/accounts/#{other_user.id}/lists")
-        |> json_response(200)
-
-      assert res == [%{"id" => to_string(list.id), "title" => "Test List"}]
-      assert_schema(res, "ListsResponse", ApiSpec.spec())
+      assert [%{"id" => list_id, "title" => "Test List"}] =
+               conn
+               |> get("/api/v1/accounts/#{other_user.id}/lists")
+               |> json_response_and_validate_schema(200)
     end
   end
 
@@ -1169,7 +1112,7 @@ test "verify_credentials" do
       %{user: user, conn: conn} = oauth_access(["read:accounts"])
       conn = get(conn, "/api/v1/accounts/verify_credentials")
 
-      response = json_response(conn, 200)
+      response = json_response_and_validate_schema(conn, 200)
 
       assert %{"id" => id, "source" => %{"privacy" => "public"}} = response
       assert response["pleroma"]["chat_token"]
@@ -1182,7 +1125,9 @@ test "verify_credentials default scope unlisted" do
 
       conn = get(conn, "/api/v1/accounts/verify_credentials")
 
-      assert %{"id" => id, "source" => %{"privacy" => "unlisted"}} = json_response(conn, 200)
+      assert %{"id" => id, "source" => %{"privacy" => "unlisted"}} =
+               json_response_and_validate_schema(conn, 200)
+
       assert id == to_string(user.id)
     end
 
@@ -1192,7 +1137,9 @@ test "locked accounts" do
 
       conn = get(conn, "/api/v1/accounts/verify_credentials")
 
-      assert %{"id" => id, "source" => %{"privacy" => "private"}} = json_response(conn, 200)
+      assert %{"id" => id, "source" => %{"privacy" => "private"}} =
+               json_response_and_validate_schema(conn, 200)
+
       assert id == to_string(user.id)
     end
   end
@@ -1207,18 +1154,18 @@ test "returns the relationships for the current user", %{user: user, conn: conn}
       assert [%{"id" => ^other_user_id}] =
                conn
                |> get("/api/v1/accounts/relationships?id=#{other_user.id}")
-               |> json_response(200)
+               |> json_response_and_validate_schema(200)
 
       assert [%{"id" => ^other_user_id}] =
                conn
                |> get("/api/v1/accounts/relationships?id[]=#{other_user.id}")
-               |> json_response(200)
+               |> json_response_and_validate_schema(200)
     end
 
     test "returns an empty list on a bad request", %{conn: conn} do
       conn = get(conn, "/api/v1/accounts/relationships", %{})
 
-      assert [] = json_response(conn, 200)
+      assert [] = json_response_and_validate_schema(conn, 200)
     end
   end
 
@@ -1231,8 +1178,7 @@ test "getting a list of mutes" do
     conn = get(conn, "/api/v1/mutes")
 
     other_user_id = to_string(other_user.id)
-    assert [%{"id" => ^other_user_id}] = json_response(conn, 200)
-    assert_schema(json_response(conn, 200), "AccountsResponse", ApiSpec.spec())
+    assert [%{"id" => ^other_user_id}] = json_response_and_validate_schema(conn, 200)
   end
 
   test "getting a list of blocks" do
@@ -1247,7 +1193,6 @@ test "getting a list of blocks" do
       |> get("/api/v1/blocks")
 
     other_user_id = to_string(other_user.id)
-    assert [%{"id" => ^other_user_id}] = json_response(conn, 200)
-    assert_schema(json_response(conn, 200), "AccountsResponse", ApiSpec.spec())
+    assert [%{"id" => ^other_user_id}] = json_response_and_validate_schema(conn, 200)
   end
 end