Flags:
--gtest_random_seed = 1555707780
[==========] Running 3 tests from 1 test case.
[----------] Global test environment set-up.
[----------] 3 tests from BacklightTest
[ RUN ] BacklightTest.Enable
[ OK ] BacklightTest.Enable (20 ms)
[ RUN ] BacklightTest.Disable
[ OK ] BacklightTest.Disable (0 ms)
[ RUN ] BacklightTest.Brightness
[ OK ] BacklightTest.Brightness (0 ms)
[----------] 3 tests from BacklightTest (20 ms total)
[----------] Global test environment tear-down.
[==========] 3 tests from 1 test case ran (20 ms total).
[ PASSED ] 3 tests