added test for abort of modify action
added test for abort of modify action

jackwilsdon/beets,MyTunesFreeMusic/privacy-policy,shamangeorge/beets,jcoady9/beets,ibmibmibm/beets,Kraymer/beets,parapente/beets,MyTunesFreeMusic/privacy-policy,diego-plan9/beets,madmouser1/beets,Kraymer/beets,MyTunesFreeMusic/privacy-policy,xsteadfastx/beets,xsteadfastx/beets,xsteadfastx/beets,jackwilsdon/beets,artemutin/beets,Freso/beets,mried/beets,Freso/beets,jackwilsdon/beets,parapente/beets,mosesfistos1/beetbox,madmouser1/beets,madmouser1/beets,MyTunesFreeMusic/privacy-policy,beetbox/beets,mried/beets,jackwilsdon/beets,diego-plan9/beets,Freso/beets,sampsyo/beets,SusannaMaria/beets,shamangeorge/beets,swt30/beets,beetbox/beets,mosesfistos1/beetbox,pkess/beets,swt30/beets,SusannaMaria/beets,jcoady9/beets,pkess/beets,jcoady9/beets,shamangeorge/beets,swt30/beets,parapente/beets,madmouser1/beets,lengtche/beets,pkess/beets,SusannaMaria/beets,parapente/beets,lengtche/beets,ibmibmibm/beets,beetbox/beets,Freso/beets,mried/beets,sampsyo/beets,Kraymer/beets,xsteadfastx/beets,pkess/beets,ibmibmibm/beets,mried/beets,SusannaMaria/beets,shamangeorge/beets,ibmibmibm/beets,diego-plan9/beets,lengtche/beets,diego-plan9/beets,sampsyo/beets,beetbox/beets,artemutin/beets,sampsyo/beets,jcoady9/beets,artemutin/beets,Kraymer/beets,artemutin/beets,lengtche/beets,mosesfistos1/beetbox,swt30/beets,mosesfistos1/beetbox