When Dublin university student Shane Fitzgerald posted a poetic but phony quote on Wikipedia, he was testing how our globalized, increasingly Internet-dependent media was upholding accuracy and accountability in an age of instant news. His report card: Wikipedia passed. Journalism flunked. The sociology major’s obituary-friendly quote — which he added to the Wikipedia page of Maurice Jarre hours after the French composer’s death March 28 — flew straight on to dozens of U.S. blogs, as well as newspaper Web sites in Britain, Australia and India.