chromium/third_party/blink/web_tests/external/wpt/url/url-setters.any_include=mailto-expected.txt

This is a testharness.js-based test.
[FAIL] URL: Setting <mailto:[email protected]>.protocol = 'http' Cannot-be-a-base URL doesn’t have a host, but URL in a special scheme must.
  assert_equals: expected "mailto:[email protected]" but got "http://[email protected]/"
Harness: the test ran to completion.