This is a testharness.js-based test.
[FAIL] Property place-content value 'last baseline'
  assert_true: 'last baseline' is a supported value for place-content. expected true got false
[FAIL] Property place-content value 'last baseline flex-start'
  assert_true: 'last baseline flex-start' is a supported value for place-content. expected true got false
Harness: the test ran to completion.