Cleanup unit test output

Change-Id: Ic6467a505f50c9bd10c29099aa45e265a0434169
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/257046
Auto-Submit: Herb Derby <herb@google.com>
Commit-Queue: Ben Wagner <bungeman@google.com>
Reviewed-by: Ben Wagner <bungeman@google.com>
2 files changed