The Test Connection is failing in Advanced reporting>>Data Sources>>Edit Data Source
This is traditionally due to the fact the databases are not configured in your CSA. This could happen if you just reconfigured or updated accounts.
All supported versions of PPM
Push the latest information by running the following command from one of you PPM App Servers:
From the Clarity/bin directory:
admin jaspersoft syncPPMContext -userName superuser -password superuser