Flags:
--gtest_random_seed = 1555744178
[==========] Running 1 test from 1 test case.
[----------] Global test environment set-up.
[----------] 1 test from ClockTest
[ RUN ] ClockTest.ClockMonotonic
[ OK ] ClockTest.ClockMonotonic (110 ms)
[----------] 1 test from ClockTest (110 ms total)
[----------] Global test environment tear-down.
[==========] 1 test from 1 test case ran (110 ms total).
[ PASSED ] 1 test