test: fix test-worker-broadcastchannel-wpt
Optimistic possible fix for a broken test on Windows.
Checklist
-
make -j4 test
(UNIX), orvcbuild test
(Windows) passes -
tests and/or benchmarks are included -
commit message follows commit guidelines
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Optimistic possible fix for a broken test on Windows.
make -j4 test
(UNIX), or vcbuild test
(Windows) passes