Change record status: 
Description: 

At present, if there is a change in Drupal 8 head, any RTBC patches are automatically retested against the latest changes on a daily basis. We have discovered a bug in this system that is retesting these patches against every environment. The automatic retests should only be against the default environment or the last-used test environment.

Production outage: No
Change affects: DrupalCI Automatic RTBC retesting
Deployment schedule: week of 2017-04-17
Backout plan: revert or fix in place