Add ::search-text getComputedStyle subtests
Add various ::search-text getComputedStyle subtests to match similar
tests for other highlight pseudos.
Change-Id: I5c8fbc6742167e5832d69208dddd9746f75365ed
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5899323
Reviewed-by: Stephen Chenney schenney@chromium.org
Commit-Queue: Rob Buis rbuis@igalia.com
Cr-Commit-Position: refs/heads/main@{#1362666}