There was a flake in telemetry.internal.actions.key_event_unittest.KeyPressActionTest.testPressEndAndHome flake.

01/09 12:03:37.213 INFO |run_chromeos_tests:0052| [203/1147] telemetry.internal.actions.key_event_unittest.KeyPressActionTest.testPressEndAndHome queued
01/09 12:03:37.214 INFO |run_chromeos_tests:0052| [204/1147] telemetry.internal.actions.key_event_unittest.KeyPressActionTest.testPressEndAndHome failed unexpectedly 13.1883s:
01/09 12:03:37.217 INFO |run_chromeos_tests:0052|   Traceback (most recent call last):
01/09 12:03:37.219 INFO |run_chromeos_tests:0052|     File "/usr/local/telemetry/src/third_party/catapult/telemetry/telemetry/testing/browser_test_case.py", line 42, in WrappedMethod
01/09 12:03:37.219 INFO |run_chromeos_tests:0052|       method(self)
01/09 12:03:37.220 INFO |run_chromeos_tests:0052|     File "/usr/local/telemetry/src/third_party/catapult/telemetry/telemetry/internal/actions/key_event_unittest.py", line 54, in testPressEndAndHome
01/09 12:03:37.221 INFO |run_chromeos_tests:0052|       2 * self._window_height, self._scroll_position, delta=20)
01/09 12:03:37.221 INFO |run_chromeos_tests:0052|   AssertionError: 1230 != 0 within 20 delta

Flake happened on VMTest (attempt 2) in https://luci-milo.appspot.com/buildbot/chromiumos.chromium/amd64-generic-telemetry/13673. It passed in (attempt 1). A different failure caused both test suites to fail.