Quarantine 2 tests awaiting a bug fix

qa/qa/specs/features/browser_ui/1_manage/project/protected_tags_spec.rb

@@ -58,7 +58,7 @@ module QA
         it_behaves_like 'successful tag creation', :maintainer_user
       end
 
-      context 'when protected' do
+      context 'when protected', quarantine: { issue: 'https://gitlab.com/gitlab-org/gitlab/-/issues/339727', type: :bug } do
         before do
           add_members_to_project(project)
 

qa/qa/specs/features/ee/browser_ui/3_create/repository/file_locking_spec.rb

@@ -63,7 +63,9 @@ module QA
         end
       end
 
-      it 'creates a merge request and fails to merge', testcase: 'https://gitlab.com/gitlab-org/quality/testcases/-/quality/test_cases/1520' do
+      it 'creates a merge request and fails to merge',
+          quarantine: { issue: 'https://gitlab.com/gitlab-org/gitlab/-/issues/339727', type: :bug },
+          testcase: 'https://gitlab.com/gitlab-org/quality/testcases/-/quality/test_cases/1520' do
         push branch: 'test', as_user: user_one
 
         merge_request = Resource::MergeRequest.fabricate_via_api! do |merge_request|