When support for running Raptor page-load with live-sites was added previously (Bug 1531169) only warm page-load existed; now get live-sites support working with cold page-load.
When running Raptor cold page-load on Fenix with live sites (i.e. set 'use_live_sites = true' in the raptor-tp6m-cold-X.ini) it fails out on the 2nd browser cycle with:
19:35:44 INFO - File "/builds/task_1555961625/workspace/build/tests/raptor/raptor/raptor.py", line 767, in run_test_cold
19:35:44 INFO - self.copy_cert_db(local_cert_db_dir, self.config['local_profile_dir'])
19:35:44 INFO - UnboundLocalError: local variable 'local_cert_db_dir' referenced before assignment
19:35:44 ERROR - Return code: 1
It shouldn't copy (and try to restore) the ssl cert db at all because mozproxy isn't being used.
Try run that demonstrates the failure: