In at least one case this was caused by SauceLabs not receiving any command for 90 seconds: https://integration.wikimedia.org/ci/view/BrowserTests/job/browsertests-VisualEditor-en.wikipedia.beta.wmflabs.org-linux-firefox-sauce/lastCompletedBuild/testReport/(root)/VisualEditor%20general%20text%20markup%20features/VisualEditor_general_markup__outline_example_____Superscript____sup_General_Markup_VisualEditor_Test__sup____/

Seems to be a 90 second timeout for a Flow job as well, but without the big red error message at the top of the Sauce page: https://integration.wikimedia.org/ci/view/BrowserTests/job/browsertests-Flow-en.wikipedia.beta.wmflabs.org-linux-firefox-sauce/72/testReport/junit/(root)/Topic%20collapsing/Topics_only_view/

This is very likely fixed with

(In reply to Chris McMahon from comment #3)

This is very likely fixed with

"fixed with what" ? HHVM improvements?

Anyway, this remains a problem. From e-mail to qa mailing list:

Echo and Flow tests were all green Saturday Sept 6 for the first time \o/

But then 4 out of 6 Flow test runs today (

Sep 7, 2014 8:33:11 PM
Sep 7, 2014 6:51:45 PM    
Sep 7, 2014 6:13:05 PM
Sep 7, 2014 3:54:07 AM

UTC times I think)
<<<
Tthere was another getaddrinfo failure Sep 8, 2014 3:45:56 AM, see
https://integration.wikimedia.org/ci/view/BrowserTests/job/browsertests-Flow-en.wikipedia.beta.wmflabs.org-linux-chrome-sauce/185/

As far as I can see, this is no longer a problem. The last Flow build has 17 failed scenarios, but all of them are timed out after 5 seconds, waiting for ... to become present (Watir::Wait::TimeoutError)

https://integration.wikimedia.org/ci/view/BrowserTests/view/-All/job/browsertests-Flow-en.wikipedia.beta.wmflabs.org-linux-chrome-sauce/590/consoleFull

Closing this as invalid. Please reopen if the problem is still reproducible.