text: (async function(testRunner) {
    var {page, session, dp} = await testRunner.startURL(
        'https://example.test:8443/inspector-protocol/resources/test-page.html',
        `Tests that willSendRequest contains the correct mixed content status for not-mixed content.`);
  
    // The iframe is in the same site so we can watch its network requests.
    function addIframeWithMixedContent() {
      var iframe = document.createElement('iframe');
      iframe.src = 'https://example.test:8443/inspector-protocol/resources/no-mixed-content-iframe.html';
      document.body.appendChild(iframe);
    }
  
    var helper = await testRunner.loadScript('./resources/mixed-content-type-test.js');
    helper(testRunner, session, addIframeWithMixedContent);
  })
  