Spec failure in `spec/features/dashboard/datetime_on_tooltips_spec.rb` | Tooltips on .timeago dates on the snippets tab has the datetime formated correctly

Job #1372622536 failed for b9bd0a86:

Trace

Failures:
  1) Tooltips on .timeago dates on the snippets tab has the datetime formated correctly
     Failure/Error: datetime_text = page.find('.tooltip').text
     Capybara::ElementNotFound:
       Unable to find css ".tooltip"
     # ./spec/features/dashboard/datetime_on_tooltips_spec.rb:52:in `datetime_in_tooltip'
     # ./spec/features/dashboard/datetime_on_tooltips_spec.rb:47:in `block (3 levels) in <top (required)>'
     # ./spec/spec_helper.rb:385:in `block (3 levels) in <top (required)>'
     # ./spec/support/sidekiq_middleware.rb:9:in `with_sidekiq_server_middleware'
     # ./spec/spec_helper.rb:376:in `block (2 levels) in <top (required)>'
     # ./spec/spec_helper.rb:372:in `block (3 levels) in <top (required)>'
     # ./lib/gitlab/application_context.rb:31:in `with_raw_context'
     # ./spec/spec_helper.rb:372:in `block (2 levels) in <top (required)>'