Since marionette-client 0.87 has been released our setup steps don't work anymore. Instead of using the version 0.87 from m-c the v0.8.6 package from pypi is getting downloaded, and breaks all of our tests. We have to update to the most recent version.
Created attachment 8554441 [details] [review] github_pull_request.txt
Merged as https://github.com/mozilla/firefox-ui-tests/commit/7c29bb51f543912cb9e3e13c78d3272be8920699.