chromium/third_party/blink/web_tests/external/wpt/css/css-nesting/cssom-expected.txt

This is a testharness.js-based test.
[FAIL] CSSStyleRule is a CSSGroupingRule
  assert_equals: expected function "function CSSGroupingRule() { [native code] }" but got function "function CSSRule() { [native code] }"
Harness: the test ran to completion.