);
}, "Must have an own name property equal to the interface name and with the correct descriptors");

test(() => {
  assert_true(NodeFilter.hasOwnProperty("length"));
  assert_equals(NodeFilter.length, 0);

  const propDesc = Object.getOwnPropertyDescriptor(NodeFilter, "length");
  assert_false(propDesc.writable, "writable");
  assert_false(propDesc.enumerable, "enumerable");
  assert_true(propDesc.configurable, "configurable");
}, "Must have an own length property with value zero and the correct descripto