telemetry.page.page_run_end_to_end_unittest.ActualPageRunEndToEndTests.testWebPageReplay failed unexpectedly 75.4298s:
09/08 11:08:38.759 INFO |run_chromeos_tests:0052|   Taking screenshots upon failures disabled.
09/08 11:08:38.759 INFO |run_chromeos_tests:0052|   Traceback (most recent call last):
09/08 11:08:38.759 INFO |run_chromeos_tests:0052|     File "/usr/local/telemetry/src/third_party/catapult/telemetry/telemetry/page/page_run_end_to_end_unittest.py", line 601, in testWebPageReplay
09/08 11:08:38.760 INFO |run_chromeos_tests:0052|       self.assertIn('Example Domain', body[1],
09/08 11:08:38.761 INFO |run_chromeos_tests:0052|   IndexError: list index out of range

There was a different outage at around the time this test started failing so it's not straightforward to pinpoint the breaking change.