tree f4b8f72ce0e69cecb2e2175f12db31de6ad6abb0
parent c2669d745cc69973b9cafebbb22974c9378d753c
author Yiming Pan <yimingpan@google.com> 1593539150 -0700
committer Yiming Pan <yimingpan@google.com> 1594138790 -0700

Add test coverage to test run logic.

Test coverage % is now ~63%, above 60% average rate.

Also in this CL:
* Cleaned up log directory after test run.
* Mobly test result and logs will be reported even if an exception was
thrown earlier.

Test: TF unit test.
Bug: 159641617
Change-Id: I59ccf20810b11c7e5d3a6aa5a893de6511b5e27d