[Tests] Fixing PHPUnit @covers annotation
[Tests] Fixing PHPUnit @covers annotation

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