This is a testharness.js-based test.
[FAIL] Query "push" powerful feature
  promise_test: Unhandled rejection with value: object "Error: Should have the permission prompt to continue but found denied"
[FAIL] Granting permission should allow subscription
  promise_test: Unhandled rejection with value: object "Error: Should have the permission granted to continue but found denied"
[FAIL] Denying permission should disallow subscription
  promise_rejects_dom: function "function() { throw e; }" threw object "AbortError: Registration failed - missing applicationServerKey, and manifest empty or missing" that is not a DOMException NotAllowedError: property "code" is equal to 20, expected 0
Harness: the test ran to completion.