[wpt] Wait for hit-test-transformed-inline.html to load Ahem font
On systems without preinstalled Ahem, the tests may run with the wrong
font because test() immediately executes its function synchronously
0. Wait for ahem.css to load the font (promise_test() waits for
promise_setup() to resolve).
Fixed: 356714709
Cq-Include-Trybots: luci.chromium.try:mac13-wpt-chromium-rel
Change-Id: I44a5444a64ba12e4dc67831bcce188d1e78751e4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5889804
Commit-Queue: Morten Stenshorne mstensho@chromium.org
Reviewed-by: Morten Stenshorne mstensho@chromium.org
Auto-Submit: Jonathan Lee jonathanjlee@google.com
Cr-Commit-Position: refs/heads/main@{#1359769}