UserAgent: Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.76 Safari/537.36
Platform: 9265.0.0 (Offical Build) dev-channel lars test

Steps to reproduce the problem:
1. On Chromebook, install the R58 dev channel image, such as R58-9265.0.0
2. On Ubuntu host, enter "cros_sdk --enter"
3. execute the test suite "power_Resume" with command "test_that -b lars CHROMEBOOK_IP power_Resume"

What is the expected behavior?
"Passed" is expected, and the second of "seconds_system_resume" is expected.

What went wrong?
Got error as below. the output is enclosed
/tmp/test_that_results_9Jljfs/results-1-power_Resume              [  FAILED  ]
/tmp/test_that_results_9Jljfs/results-1-power_Resume                FAIL: Unhandled ValueError: unconverted data remains:  
/tmp/test_that_results_9Jljfs/results-1-power_Resume/power_Resume [  FAILED  ]
/tmp/test_that_results_9Jljfs/results-1-power_Resume/power_Resume   FAIL: Unhandled ValueError: unconverted data remains:

Did this work before? Yes Dev channel R57-9172.0.0, or Beta Channel R57-9202.14.0

Chrome version: 58.0.3006.0  Channel: dev
OS Version: R58-9265.0.0
Flash Version: Shockwave Flash 24.0 r0