text: (async function(testRunner) {
    // The number includes the frame, and the 6 JS files that it loads directly.
    const numberOfURLs = 7;
  
    var {page, session, dp} = await testRunner.startHTML(`
        <head></head>
        <body>
        </body>
    `, 'Tests render-blocking status of HTML based script in traces.');
  
    var TracingHelper = await testRunner.loadScript('../resources/tracing-test.js');
    var tracingHelper = new TracingHelper(testRunner, session);
    await tracingHelper.startTracing();
    dp.Network.enable();
    session.evaluate(`
      (function performActions() {
        const frame = document.createElement("iframe");
        frame.src = "../resources/render-blocking-frame-script.html";
        document.body.appendChild(frame);
      })();
    `);
  
    // Wait for traces to show up.
    for (let i = 0; i < numberOfURLs; ++i) {
      await dp.Network.onceRequestWillBeSent();
    }
  
    const events = await tracingHelper.stopTracing();
    const requestEvents = events.filter(e => e.name == "ResourceSendRequest");
    const resources = new Map();
    for (let e of requestEvents) {
      const data = e['args']['data'];
      const url_list = data['url'].split('/');
      const url = url_list[url_list.length - 1];
      if (url.includes("js")) {
        resources.set(url, data['renderBlocking']);
      }
    }
    for (const resource of Array.from(resources.keys()).sort())
      testRunner.log(`${resource}: ${resources.get(resource)}`);
    testRunner.completeTest();
  })
  