

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).