Site Settings: Add tests for the UI categories.

Bug: 956459
Change-Id: I8c4c305347b9bc98f8f032c5f738baf3e728c940
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1621139
Commit-Queue: Finnur Thorarinsson <finnur@chromium.org>
Reviewed-by: Kamila Hasanbega <hkamila@chromium.org>
Cr-Commit-Position: refs/heads/master@{#662199}
1 file changed