The following run failed recently:
- video_PowerConsumption.h264	peach_pi	11415.0.0
http://ubercautotest.corp.google.com/tko/retrieve_logs.cgi?job=/results/267833390-chromeos-test/chromeos6-row2-rack8-host21

Looking at the history, the test seems to be flaky on this board, with nearly 40% failure rate:
https://stainless.corp.google.com/search?view=list&build=R73&test=video_PowerConsumption.h264&board=%5Epeach_pi%24&first_date=2018-11-20&last_date=2018-12-18&status=GOOD&status=WARN&status=FAIL&status=ERROR

12/16 18:07:15.059 WARNI|              test:0606| The test failed with the following exception
Traceback (most recent call last):
  File "/usr/local/autotest/common_lib/test.py", line 600, in _exec
    _call_test_function(self.execute, *p_args, **p_dargs)
  File "/usr/local/autotest/common_lib/test.py", line 800, in _call_test_function
    return func(*args, **dargs)
  File "/usr/local/autotest/common_lib/test.py", line 464, in execute
    postprocess_profiled_run, args, dargs)
  File "/usr/local/autotest/common_lib/test.py", line 371, in _call_run_once
    self.run_once(*args, **dargs)
  File "/usr/local/autotest/cros/video/helper_logger.py", line 82, in call
    return func(*args, **kwargs)
  File "/usr/local/autotest/tests/video_PlaybackPerf/video_PlaybackPerf.py", line 124, in run_once
    tmp = self.test_power(local_path)
  File "/usr/local/autotest/tests/video_PlaybackPerf/video_PlaybackPerf.py", line 225, in test_power
    self._power_status = power_status.get_status()
  File "/usr/local/autotest/cros/power/power_status.py", line 557, in get_status
    status.refresh()
  File "/usr/local/autotest/cros/power/power_status.py", line 460, in refresh
    self.battery = [ BatteryStat(self.battery_path) ]
  File "/usr/local/autotest/cros/power/power_status.py", line 282, in __init__
    self.update()
  File "/usr/local/autotest/cros/power/power_status.py", line 295, in update
    raise error.TestError('Failed to read battery state')
TestError: Failed to read battery state