so we can get rid of the obsolete error message during test cleanup:
level=error msg="failed to restore all constraints after cleaning the test records in the DB" error="sql: transaction has already been committed or rolled back" file="/Users/xcoulon/code/go/src/github.com/fabric8-services/fabric8-auth/gormsupport/cleaner/db_clean.go" func="github.com/fabric8-services/fabric8-auth/gormsupport/cleaner.DeleteCreatedEntities.func2.1" line=69 pid=92051 pkg="gormsupport/cleaner.DeleteCreatedEntities.func2"
so we can get rid of the obsolete error message during test cleanup: