http://raita.wmflabs.org/#projects/https%3A%2F%2Fgithub.com%2Fwmde%2FWikidataBrowserTests.git/builds/Qryn1pyTRAyojeCRT6iN6w
https://integration.wikimedia.org/ci/job/browsertests-Wikidata-SmokeTests-linux-firefox/1/
https://integration.wikimedia.org/ci/job/browsertests-Wikidata-SmokeTests-linux-firefox/1/artifact/log/Item_smoke_test%3A_Click_UI_elements%3A_|_Q15905_|_false_|.png
https://integration.wikimedia.org/ci/job/browsertests-Wikidata-SmokeTests-linux-firefox/1/artifact/log/Item_smoke_test%3A_Click_UI_elements%3A_|_Q15905_|_true_|.png
And I click the header cancel button features/step_definitions/header_steps.rb:14 timed out after 10 seconds, Element was not visible in 10 seconds (Watir::Wait::TimeoutError)
Even though the cancel button can be seen. This happens each run.