added tests for checking other goto will perform in only one window, no other split buffer will be opened accidentially
added tests for checking other goto will perform in only one window, no other split buffer will be opened accidentially

wilywampa/jedi-vim,davidhalter/jedi-vim,sethfowler/pygmalion-vim,FBruynbroeck/jedi-vim,clavery/jedi-vim,blueyed/jedi-vim,itchyny/jedi-vim,maxamillion/jedi-vim,jmartiuk5/jedi-vim,aliev/jedi-vim,pze/jedi-vim,genzj/jedi-vim