This is a testharness.js-based test.
Found 4 FAIL, 0 TIMEOUT, 0 NOTRUN.
[FAIL] Historical DOM features must be removed: DOMError
  assert_false: expected false got true
[FAIL] Historical DOM features must be removed: xmlEncoding
  assert_false: expected false got true
[FAIL] Historical DOM features must be removed: xmlStandalone
  assert_false: expected false got true
[FAIL] Historical DOM features must be removed: xmlVersion
  assert_false: expected false got true
Harness: the test ran to completion.