See for example https://integration.wikimedia.org/ci/view/BrowserTests/job/browsertests-Flow-en.wikipedia.beta.wmflabs.org-linux-firefox-sauce/25/testReport/
The tests are not typing the password into the password field.
However, the Jenkins build itself seems to be configured correctly to pick up the password.
Version: wmf-deployment
Severity: normal
Whiteboard: zfilipin