Build for Spinach:Project:Rest fails because of timeout 50% of the time.

When running tests this test in particular fails, but not because of a code issue related the MR/branch it is attached to.

I get the error: Project Issues Filter Labels :: I filter by one label :: Given I sign in as a user

        Timed out waiting for response to {"id":"a98377b3-fbc7-4e21-8895-320cb34f7b5d","name":"visit","args":["http://127.0.0.1:40247/users/sign_in"]}. It's possible that this happened because something took a very long time (for example a page load was slow). If so, setting the Poltergeist :timeout option to a higher value will help (see the docs for details). If increasing the timeout does not help, this is probably a bug in Poltergeist - please report it to the issue tracker.
        /usr/local/bundle/gems/poltergeist-1.8.1/lib/capybara/poltergeist/web_socket_server.rb:98:in `rescue in send'
    !  Given I sign in as a user                            # features/steps/shared/authentication.rb:7

@rspeicher @JobV Milestone?