Mark form-validation-reportValidity.html as a slow test
This is reported (crbug.com/352483161) as both flaky and slow,
so this should fix the timeouts at least. I'm leaving this marked
as flaky (see crbug.com/40668225) for now.
Fixed: 352483161
Bug: 40668225
Change-Id: I86a5e8be40068d42468496f7b3298a8e72cd3ad7
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5704255
Auto-Submit: Mason Freed masonf@chromium.org
Reviewed-by: Di Zhang dizhangg@chromium.org
Commit-Queue: Di Zhang dizhangg@chromium.org
Commit-Queue: Mason Freed masonf@chromium.org
Cr-Commit-Position: refs/heads/main@{#1327080}