Tests that fetching a stream with back pressure does not stall with virtual time enabled.
Request to http://test.com/index.html, type: Document
Request to http://test.com/fetch, type: XHR
Tests that fetching a stream with back pressure does not stall with virtual time enabled.
Request to http://test.com/index.html, type: Document
Request to http://test.com/fetch, type: XHR