tree ee812c14b43e897767bdb16e2e7e28c509fe7eee
parent 9baa5129ec2c1811767c37c282f087b99dc22420
author Leandro Lovisolo <lovisolo@google.com> 1585169124 -0400
committer Skia Commit-Bot <skia-commit-bot@chromium.org> 1585171050 +0000

[gold] text_test.go: Refactor tests.

Summary of changes:
- Extract out the expected pixels for various test images, as they will be used in tests for MustToNRGBA and MustToGray in a followup CL.
- Helper function to assert that an image has the expected pixels.
- Make all constants lowercase.

Bug: skia:9527
Change-Id: Ia618a19119693983743a20d73554127c7cb5b2e1
Reviewed-on: https://skia-review.googlesource.com/c/buildbot/+/279145
Commit-Queue: Leandro Lovisolo <lovisolo@google.com>
Reviewed-by: Kevin Lubick <kjlubick@google.com>