chromium/third_party/blink/web_tests/external/wpt/content-security-policy/reporting/report-strips-fragment.html

<!DOCTYPE html>
<head>
  <script src="/resources/testharness.js"></script>
  <script src="/resources/testharnessreport.js"></script>
  <script src="/content-security-policy/support/testharness-helper.js"></script>
  <meta http-equiv="Content-Security-Policy" content="img-src 'none'">
</head>
<body>
  <script>
  async_test(t => {
    waitUntilCSPEventForURL(t, "https://evil.com/img.png")
      .then(t.step_func_done(e => {
        var u = new URL(e.documentURI);
        assert_equals(u.hash, "");
      }));

    window.location.hash = "should-not-appear-in-report";

    var i = document.createElement("img");
    i.src = "https://evil.com/img.png#boo";
  }, "Reported document URI does not contain fragments.");
  </script>
</body>