issue #2339 - don't require that an IdP supply a specific text string to indicate that the user is not authenticated
update frontend tests, now that an unknown provisioning error collapses into user must auth
Run `npm install` in the automation-tests directory in scripts/postinstall.js

fixes #3084
Allow action.message to be defined whenever calling the function returned from getErrorDialog.
Make sure the title and message for getErrorDialog are properly escaped when displayed.
Merge pull request #3085 from shane-tomlinson/issue_3084_install_all_deps

Run `npm install` in the automation-tests directory in scripts/postinstall.js
Merge pull request #3081 from mozilla/issue2339

don't require that an IdP supply a specific text string to indicate that the user is not authenticated