Change phing test task to fail on PHPUnit failure.
Change phing test task to fail on PHPUnit failure.

barryvdh/guzzle3,dawehner/guzzle,hussainweb/guzzle,phlogisticfugu/guzzle,roundpartner/guzzle3,michabbb-backup/guzzle,duyhuynhngoc/guzzle,dshafik/guzzle,EdgarPE/guzzle,thinsoldier/guzzle,nazo/guzzle,sulfo/guzzle,Tobion/guzzle,grokify/guzzle,guzzle/guzzle,Naktibalda/guzzle,grokify/guzzle,avorobiev/guzzle,kminh/guzzle3,Briareos/guzzle,guzzle/guzzle,mustafavelioglu/guzzle,javierTerry/guzzle,paveljanda/guzzle,SharpSpring/guzzle3,wulftone/guzzle,nazo/guzzle,EdgarPE/guzzle,kkopachev/guzzle,legovaer/guzzle3,lahmizzar/guzzle,wherefortravel/guzzle,ryanhughes/guzzle,jabong/guzzle3,dawehner/guzzle,Tony133/guzzle,BostjanOb/guzzle,paveljanda/guzzle,michabbb-backup/guzzle,justincy/guzzle,vrkansagara/guzzle,kminh/guzzle3,sulfo/guzzle,mrm/guzzle,cenxun/guzzle,kkopachev/guzzle,chengky/guzzle,phlogisticfugu/guzzle,checat/guzzle,mikicaivosevic/guzzle,hussainweb/guzzle,wherefortravel/guzzle,thinsoldier/guzzle,videni/guzzle,ehough/guzzle,BostjanOb/guzzle,atrauzzi/guzzle,dawehner/guzzle,mustafavelioglu/guzzle,rsauvatinet/guzzle3,rajaehtesham/guzzle,rajaehtesham/guzzle,duyhuynhngoc/guzzle,Brunty/guzzle,dshafik/guzzle,Tobion/guzzle,checat/guzzle,chengky/guzzle,Rinat-wc/guzzle,wulftone/guzzle,mrm/guzzle,mortenhauberg/guzzle,jabong/guzzle3,Briareos/guzzle,mikicaivosevic/guzzle,staylor/guzzle,Brunty/guzzle,WebSeed/guzzle,jeskew/guzzle,Naktibalda/guzzle,WebSeed/guzzle,guzzle/guzzle3,roundpartner/guzzle3,legovaer/guzzle3,Tony133/guzzle,SharpSpring/guzzle3,ryanhughes/guzzle,rsauvatinet/guzzle3,ehough/guzzle,staylor/guzzle,barryvdh/guzzle3,sahat/guzzle,stea4lth/guzzle,cenxun/guzzle,vrkansagara/guzzle,stefanruijsenaars/guzzle,guzzle/guzzle3,stefanruijsenaars/guzzle,jeskew/guzzle,mubassirhayat/guzzle,javierTerry/guzzle,Rinat-wc/guzzle,stea4lth/guzzle,avorobiev/guzzle,justincy/guzzle,mortenhauberg/guzzle,videni/guzzle,lahmizzar/guzzle,atrauzzi/guzzle