tests: remove a useless sleep in rate limiter tests

It was used to check that authenticated and unauthenticated users have
different limits. Instead of sleeping a super low limit for
unauthenticated users was set, preventing them from doing 5 requests in
the first place.

test/conversation/participation_test.exs

@@ -99,7 +99,7 @@ test "it creates a participation for a conversation and a user" do
 
     assert participation.user_id == user.id
     assert participation.conversation_id == conversation.id
-    
+
     # Needed because updated_at is accurate down to a second
     :timer.sleep(1000)
 

test/plugs/rate_limiter_test.exs

@@ -145,9 +145,9 @@ test "are restricted based on remote IP" do
     test "can have limits seperate from unauthenticated connections" do
       limiter_name = :test_authenticated
 
-      scale = 1000
+      scale = 50
       limit = 5
-      Pleroma.Config.put([:rate_limit, limiter_name], [{1, 10}, {scale, limit}])
+      Pleroma.Config.put([:rate_limit, limiter_name], [{1000, 1}, {scale, limit}])
 
       opts = RateLimiter.init(name: limiter_name)
 
@@ -164,16 +164,6 @@ test "can have limits seperate from unauthenticated connections" do
 
       assert %{"error" => "Throttled"} = Phoenix.ConnTest.json_response(conn, :too_many_requests)
       assert conn.halted
-
-      Process.sleep(1550)
-
-      conn = conn(:get, "/") |> assign(:user, user)
-      conn = RateLimiter.call(conn, opts)
-      assert {1, 4} = RateLimiter.inspect_bucket(conn, limiter_name, opts)
-
-      refute conn.status == Plug.Conn.Status.code(:too_many_requests)
-      refute conn.resp_body
-      refute conn.halted
     end
 
     test "diffrerent users are counted independently" do