To test manually, move the mouse to the blue box, click, and then move the mouse outside. Then repeat for the red box. The test succeeds if both boxes turn green

Summary

Harness status: OK

Found 1 tests

Details

ResultTest NameMessage
FailEnsure that mouse events are not dispatched to an inert node.promise_test: Unhandled rejection with value: object "Error: action_sequence() is not implemented by testdriver-vendor.js"
Error
    at get_stack (https://wpt.live/resources/testharness.js:4571:21)
    at new AssertionError (https://wpt.live/resources/testharness.js:4564:22)
    at assert (https://wpt.live/resources/testharness.js:4548:19)
    at Test.<anonymous> (https://wpt.live/resources/testharness.js:764:29)
    at Test.step (https://wpt.live/resources/testharness.js:2642:25)
    at https://wpt.live/resources/testharness.js:2689:35
Asserts runNo asserts ran