This is a testharness.js-based test.
[FAIL] object resolver: 'lookupNamespaceURI' is thruthy and not callable
  assert_unreached: Should have rejected: undefined Reached unreachable code
[FAIL] object resolver: 'lookupNamespaceURI' is falsy and not callable
  assert_unreached: Should have rejected: undefined Reached unreachable code
Harness: the test ran to completion.