In eventsourceSpec.js modified mockupXhr to reflect changes in EventSource inner XHR class
In eventsourceSpec.js modified mockupXhr to reflect changes in EventSource inner XHR class

weaver-viii/EventSource,streamdataio/EventSource,weaver-viii/EventSource,streamdataio/EventSource,streamdataio/EventSource,amvtek/EventSource,amvtek/EventSource,weaver-viii/EventSource,amvtek/EventSource