Merge branch 'q980-stabilize-mr-spec' into 'master'

Stabilize merge request creation

See merge request gitlab-org/gitlab!68685

qa/qa/resource/merge_request.rb

@@ -25,7 +25,7 @@ module QA
                  :state
 
       attribute :project do
-        Project.fabricate! do |resource|
+        Project.fabricate_via_api! do |resource|
           resource.name = 'project-with-merge-request'
         end
       end