Transient failure in spec/features/projects/environments/environments_spec.rb

As seen in https://gitlab.com/gitlab-org/gitlab-ee/builds/13644836:

  1) Environments page page tabs with one available environment in available tab page should show one environment
     Failure/Error: expect(page.all('tbody > tr').length).to eq(1)

       expected: 1
            got: 0

       (compared using ==)
     # ./spec/features/projects/environments/environments_spec.rb:33:in `block (5 levels) in <top (required)>'
     # ./spec/spec_helper.rb:71:in `block (2 levels) in <top (required)>'

Finished in 47 minutes 41 seconds (files took 42.55 seconds to load)
1154 examples, 1 failure

Failed examples:

rspec ./spec/features/projects/environments/environments_spec.rb:31 # Environments page page tabs with one available environment in available tab page should show one environment