Tests interception of an XHR request.
Test started
Network agent enabled
Request interception enabled
Page agent enabled
Runtime agent enabled
Network.requestIntercepted ID 1 GET xhr-iframe.html type: Document
allowRequest ID 1
Network.responseReceived xhr-iframe.html 200 text/html
Network.requestIntercepted ID 2 GET example.txt type: XHR
mockResponse ID 2
Network.responseReceived example.txt 200 text/plain
xhr.responseText = Payload for the Mock XHR response;