This is a testharness.js-based test.
[FAIL] e.style['place-content'] = "last baseline" should set the property value
  assert_not_equals: property should be set got disallowed value ""
[FAIL] e.style['place-content'] = "last baseline flex-start" should set the property value
  assert_not_equals: property should be set got disallowed value ""
Harness: the test ran to completion.