clean up tests

clean up tests

Confirm that no path ops tests are flaky, and clean up errors around
that. The test framework was incorrectly checking for >= MAX_ERRORS for
failure and <= MAX_ERRORS for success.

TBR=reed@google.com

Committed: https://skia.googlesource.com/skia/+/38a017bf44aa1ad25291ad0cbb4ccbe8bd31ab0b

[caryclark, 2015-05-13 17:00:27]

The CQ bit was checked by caryclark@google.com

[commit-bot: I haz the power, 2015-05-13 17:00:44]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1140563003/1

[commit-bot: I haz the power, 2015-05-13 17:02:04]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-05-13 17:02:05]

Try jobs failed on following builders:
  Build-Ubuntu-Clang-x86_64-Debug-Trybot on client.skia.compile (JOB_FAILED,
http://build.chromium.org/p/client.skia.compile/builders/Build-Ubuntu-Clang-x...)
  Build-Ubuntu-GCC-Arm7-Debug-Android-Trybot on client.skia.compile (JOB_FAILED,
http://build.chromium.org/p/client.skia.compile/builders/Build-Ubuntu-GCC-Arm...)
  Build-Ubuntu-GCC-Mips-Debug-Android-Trybot on client.skia.compile (JOB_FAILED,
http://build.chromium.org/p/client.skia.compile/builders/Build-Ubuntu-GCC-Mip...)

[caryclark, 2015-05-13 17:07:19]

The CQ bit was checked by caryclark@google.com

[commit-bot: I haz the power, 2015-05-13 17:07:28]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1140563003/20001

[commit-bot: I haz the power, 2015-05-13 17:13:22]

Committed patchset #2 (id:20001) as
https://skia.googlesource.com/skia/+/38a017bf44aa1ad25291ad0cbb4ccbe8bd31ab0b