main frame - didFinishDocumentLoadForFrame
main frame - didHandleOnloadEventsForFrame
main frame - willPerformClientRedirectToURL: http://A=a%25B=b 
main frame - didFinishLoadForFrame
main frame - didCancelClientRedirectForFrame
Tests that we do not redirect to an invalid URL initiated by <meta http-equiv="refresh">. This test PASSED if you see an entry in the dumped frame load callbacks of the form: "willPerformClientRedirectToURL: http://A=a%B=b" followed by "didCancelClientRedirectForFrame".

Note, this test must be run in DumpRenderTree.