text: (async function(testRunner) {
    var {page, session, dp} = await testRunner.startHTML(`
    <html>
    <style>
     body { font: 10px Ahem; }
    </style>
    <body>
    <img id="one" src="http://example.com/A.png"/>
    <img id="two" src="http://example.com/B.png"/>
    <img id="three" src="http://example.com/C.png"/>
    </body>
    </html>`, 'Tests that DOMSnapshot skips UA shadow root when traversing the DOM tree');
  
    var response = await dp.DOMSnapshot.captureSnapshot({computedStyles: []});
    if (response.error) {
      testRunner.log(response);
    } else {
      response.result.strings[response.result.documents[0].documentURL] = '';
      response.result.strings[response.result.documents[0].frameId] = '';
      testRunner.log(
          response.result, undefined,
          ['documentURL', 'frameId', 'backendNodeId']);
    }
    testRunner.completeTest();
  })
  