Intermittent broken master: spec/features/projects/settings/user_changes_default_branch_spec.rb:17

Per https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/7434#note_135083626

Passed in 47e6675c , fails in bc67c712

No differences in this spec or GITALY_SERVER_VERSION between these two revisions.

Backtrace:

Failures:

  1) Projects > Settings > User changes default branch with normal project allows to change the default branch
     Got 1 failure and 1 other error:

     1.1) Failure/Error: expect(find('#project_default_branch', visible: false).value).to eq 'fix'
          
            expected: "fix"
                 got: "master"
          
            (compared using ==)
          # ./spec/features/projects/settings/user_changes_default_branch_spec.rb:24:in `block (3 levels) in <top (required)>'
          # /home/lupine/.gem/ruby/2.5.3/gems/rspec-retry-0.4.5/lib/rspec/retry.rb:98:in `block in run'
          # /home/lupine/.gem/ruby/2.5.3/gems/rspec-retry-0.4.5/lib/rspec/retry.rb:88:in `loop'
          # /home/lupine/.gem/ruby/2.5.3/gems/rspec-retry-0.4.5/lib/rspec/retry.rb:88:in `run'
          # /home/lupine/.gem/ruby/2.5.3/gems/rspec-retry-0.4.5/lib/rspec_ext/rspec_ext.rb:12:in `run_with_retry'
          # /home/lupine/.gem/ruby/2.5.3/gems/rspec-retry-0.4.5/lib/rspec/retry.rb:22:in `block (2 levels) in setup'

Capybara screenshot: