Fix build factory specs related to protected actions

spec/lib/gitlab/ci/status/build/factory_spec.rb

@@ -224,7 +224,10 @@ describe Gitlab::Ci::Status::Build::Factory do
 
       context 'when user has ability to play action' do
         before do
-          build.project.add_master(user)
+          project.add_developer(user)
+
+          create(:protected_branch, :developers_can_merge,
+                 name: build.ref, project: project)
         end
 
         it 'fabricates status that has action' do