chromium/third_party/blink/web_tests/external/wpt/css/css-typed-om/the-stylepropertymap/properties/page-expected.txt

This is a testharness.js-based test.
[FAIL] Can set 'page' to the 'custom-ident' keyword: custom-ident
  Failed to execute 'set' on 'StylePropertyMap': Invalid type for property
Harness: the test ran to completion.