Tests that navigation instrumentation doesn't fail with a long async stack chain. URL: http://127.0.0.1:8000/inspector-protocol/network/resources/simple-iframe.html? Initiator: { stack : { callFrames : [ [0] : { columnNumber : 20 functionName : f lineNumber : 4 scriptId : url : } ] parent : { callFrames : [ [0] : { columnNumber : 33 functionName : eval lineNumber : 0 scriptId : url : } ] description : Promise.then } } type : script }