a05cbf4c99
This is the first step in reworking the shell argument handling, clean up and add tests to ensure functionality doesn't change. * Rework shell tests to break down global options and auth options. * Make tests table-driven * Remove 'os_' from 'cacert' and 'default_domain' internal option names Change-Id: Icf69c7e84f3f44b366fe64b6bbf4e3fe958eb302