using asserRaises in test instead of previous workaround
using asserRaises in test instead of previous workaround

used a workaround with try and except to check for a raised Exception before

artemutin/beets,lengtche/beets,pkess/beets,parapente/beets,SusannaMaria/beets,jackwilsdon/beets,kelvinhammond/beets,artemutin/beets,xsteadfastx/beets,Freso/beets,jackwilsdon/beets,MyTunesFreeMusic/privacy-policy,LordSputnik/beets,artemutin/beets,YetAnotherNerd/beets,diego-plan9/beets,ibmibmibm/beets,madmouser1/beets,sampsyo/beets,marcuskrahl/beets,diego-plan9/beets,diego-plan9/beets,swt30/beets,drm00/beets,MyTunesFreeMusic/privacy-policy,Kraymer/beets,swt30/beets,asteven/beets,mried/beets,beetbox/beets,xsteadfastx/beets,kareemallen/beets,madmouser1/beets,jmwatte/beets,marcuskrahl/beets,YetAnotherNerd/beets,shamangeorge/beets,pkess/beets,beetbox/beets,mried/beets,parapente/beets,shamangeorge/beets,SusannaMaria/beets,beetbox/beets,sampsyo/beets,Kraymer/beets,mried/beets,YetAnotherNerd/beets,tima/beets,YetAnotherNerd/beets,SusannaMaria/beets,kareemallen/beets,parapente/beets,ibmibmibm/beets,shamangeorge/beets,tima/beets,kelvinhammond/beets,marcuskrahl/beets,Freso/beets,asteven/beets,lengtche/beets,lengtche/beets,jcoady9/beets,pkess/beets,artemutin/beets,drm00/beets,shamangeorge/beets,asteven/beets,tima/beets,mosesfistos1/beetbox,jmwatte/beets,kareemallen/beets,madmouser1/beets,jcoady9/beets,lengtche/beets,sampsyo/beets,SusannaMaria/beets,parapente/beets,jackwilsdon/beets,LordSputnik/beets,m-urban/beets,kelvinhammond/beets,madmouser1/beets,mried/beets,tima/beets,ibmibmibm/beets,sampsyo/beets,jmwatte/beets,drm00/beets,drm00/beets,beetbox/beets,MyTunesFreeMusic/privacy-policy,kareemallen/beets,mosesfistos1/beetbox,pkess/beets,jcoady9/beets,xsteadfastx/beets,m-urban/beets,swt30/beets,marcuskrahl/beets,jmwatte/beets,LordSputnik/beets,diego-plan9/beets,LordSputnik/beets,ibmibmibm/beets,m-urban/beets,jackwilsdon/beets,mosesfistos1/beetbox,jcoady9/beets,m-urban/beets,Kraymer/beets,Freso/beets,xsteadfastx/beets,asteven/beets,swt30/beets,kelvinhammond/beets,Freso/beets,MyTunesFreeMusic/privacy-policy,mosesfistos1/beetbox,Kraymer/beets