compare test_types plugin test output as strings
compare test_types plugin test output as strings

Since we're using StringIO (and equivalent in DummyIO), we can just use
strings here.

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