remove use of promises from the tests
remove use of promises from the tests

cesaregb/ntwitter,desmondmorris/node-twitter,rneilson/node-twitter,technoweenie/twitter-node,Shugardude/ntwitter2,FiftyThree/node-twitter,timisbusy/ntwitter,SteveUpton/ftwitter,AvianFlu/ntwitter,santiperez/ntwitter,phaza/twitter-node,gabfusi/node-twitter