chromium/third_party/blink/web_tests/external/wpt/resource-timing/tentative/stylesheet-initiated.html

<!DOCTYPE html>
<head>
  <script src="/resources/testharness.js"></script>
  <script src="/resources/testharnessreport.js"></script>

  <!-- Helper Functions for getting ResourceID -->
  <script src="../resources/get-resourceID.js"></script>
  <!-- Responsible for testing Initiator Attribute -->
  <script src="../resources/test-initiator.js"></script>

  <!-- Stylesheet responsible for fetching other Resources.-->
  <link rel="stylesheet" href="../resources/nested.css" />
</head>
<body></body>
<script>
  promise_test(async (t) => {
    const expectedInitiator = await getResourceID("nested.css");
    const resources = ["resource_timing_test0.css", "Ahem.ttf", "blue.png"];
    for (const resource of resources) {
      await testResourceInitiator(resource, expectedInitiator);
    }
  }, "Ensure initiator Attribute matches with Stylesheet ResourceID");
</script>