This is a testharness.js-based test.
[FAIL] contenteditable="true" doesn't use unsupported -webkit-user-modify property
  assert_equals: expected "" but got "read-write"
[FAIL] contenteditable="plaintext-only" doesn't use unsupported -webkit-user-modify property
  assert_equals: expected "" but got "read-write-plaintext-only"
Harness: the test ran to completion.