| PASS Test calling waitUntil in a task at the end of the event handler without an existing extension throws | |
| PASS Test calling waitUntil in a microtask at the end of the event handler without an existing extension suceeds | |
| PASS Test calling waitUntil in a different task an existing extension succeeds | |
| PASS Test calling waitUntil at the end of an existing extension promise handler succeeds (event is still being dispatched) | |
| PASS Test calling waitUntil in a microtask at the end of an existing extension promise handler succeeds (event is still being dispatched) | |
| PASS Test calling waitUntil in an existing extension promise handler succeeds (event is not being dispatched) | |
| PASS Test calling waitUntil in a microtask at the end of an existing extension promise handler throws (event is not being dispatched) | |
| PASS Test calling waitUntil after the current extension expired in a different task fails | |
| PASS Test calling waitUntil on a script constructed ExtendableEvent throws exception | |
| PASS Test calling waitUntil asynchronously with pending respondWith promise. | |
| PASS Test calling waitUntil synchronously inside microtask of respondWith promise (event is being dispatched). | |
| PASS Test calling waitUntil asynchronously inside microtask of respondWith promise (event is being dispatched). | |
| PASS Test calling waitUntil synchronously inside microtask of respondWith promise (event is not being dispatched). | |
| PASS Test calling waitUntil asynchronously inside microtask of respondWith promise (event is not being dispatched). | |