chromium/third_party/blink/web_tests/platform/webview/external/wpt/largest-contentful-paint/idlharness-expected.txt

This is a testharness.js-based test.
[FAIL] LargestContentfulPaint interface: default toJSON operation on lcp
  assert_true: property "navigationId" should be present in the output of LargestContentfulPaint.prototype.toJSON() expected true got false
Harness: the test ran to completion.