This is a testharness.js-based test.
[FAIL] e.style['page-orientation'] = "upright" should not set the property value
  assert_equals: expected "" but got "upright"
[FAIL] e.style['page-orientation'] = "rotate-left" should not set the property value
  assert_equals: expected "" but got "rotate-left"
[FAIL] e.style['page-orientation'] = "rotate-right" should not set the property value
  assert_equals: expected "" but got "rotate-right"
Harness: the test ran to completion.