This is a testharness.js-based test.
[FAIL] fetchLater() throws TypeError on non-trustworthy http URL.
  assert_throws_js: function "() => fetchLater('http://example.com')" threw object "SecurityError: Failed to execute 'fetchLater' on 'Window': fetchLater was passed an insecure URL." ("SecurityError") expected instance of function "function TypeError() { [native code] }" ("TypeError")
Harness: the test ran to completion.