Fix random failure of interruption specs
Fix random failure of interruption specs

The specs were actually feature tests rather than unit tests.
Furthermore testing with threads was the cause of the random failure.
So I've broken down them to real unit tests.

karreiro/rubocop,urbanautomaton/rubocop,tejasbubane/rubocop,Drenmi/rubocop,linchus/rubocop,MGerrior/rubocop,maxjacobson/rubocop,volkert/rubocop,dblock/rubocop,kdmsnr/rubocop,mclark/rubocop,deivid-rodriguez/rubocop,martinciu/rubocop,tdeo/rubocop,josiahsoh/rubocop,pocke/rubocop,mrb/rubocop,benlovell/rubocop,vassilevsky/rubocop,jonas054/rubocop,bquorning/rubocop,bankair/rubocop,vergenzt/rubocop,jmks/rubocop,jfelchner/rubocop,legendetm/rubocop,dennisfaust/rubocop,agrimm/rubocop,caseywebdev/rubocop,bquorning/rubocop,lucasuyezu/rubocop,bbatsov/rubocop,zhwcoder/rubocop,backus/rubocop,namack/rubocop,tejasbubane/rubocop,Drenmi/rubocop,deivid-rodriguez/rubocop,legendetm/rubocop,edmz/rubocop,syndbg/rubocop,syndbg/rubocop,irfanah/rubocop,MeetMe/rubocop,petehamilton/rubocop,brunoocasali/rubocop,ilansh/rubocop,sch1zo/rubocop,bigcommerce-labs/rubocop,meganemura/rubocop,hanumakanthvvn/rubocop,mikegee/rubocop,dreyks/rubocop,caseywebdev/rubocop,mrb/rubocop,smakagon/rubocop,sinsoku/rubocop,daviddavis/rubocop,Likita/rubocop,fastly/rubocop,mrfoto/rubocop,jmks/rubocop,alexcstark/rubocop,unmanbearpig/rubocop,scottmatthewman/rubocop,jfelchner/rubocop,zBMNForks/rubocop,miquella/rubocop,sideci-sample/sideci-sample-rubocop,akihiro17/rubocop,petehamilton/rubocop,panthomakos/rubocop,sferik/rubocop,savef/rubocop,ypresto/rubocop,melch/rubocop,fphilipe/rubocop,dmnd/rubocop,tdeo/rubocop,bglusman/rubocop,hamhut1066/rubocop,tranvictor/rubocop,apiology/rubocop,sue445/rubocop,bquorning/rubocop,kjavier/rubocop,unmanbearpig/rubocop,scottmatthewman/rubocop,hanumakanthvvn/rubocop,dennisfaust/rubocop,lumeet/rubocop,dreyks/rubocop,vergenzt/rubocop,eitoball/rubocop,benlovell/rubocop,hkraji/rubocop,tranvictor/rubocop,lencioni/rubocop,haziqhafizuddin/rubocop,haziqhafizuddin/rubocop,net-engine/rubocop,redbricksystems/rubocop,MGerrior/rubocop,zhwcoder/rubocop,deepj/rubocop,savef/rubocop,seanhussey/rubocop,smakagon/rubocop,crazydog115/rubocop,fphilipe/rubocop,ilansh/rubocop,rtlechow/rubocop,Likita/rubocop,rrosenblum/rubocop,karreiro/rubocop,vassilevsky/rubocop,ypresto/rubocop,maxjacobson/rubocop,edmz/rubocop,mlitwiniuk/rubocop,miquella/rubocop,akihiro17/rubocop,NobodysNightmare/rubocop,sferik/rubocop,dblock/rubocop,bbatsov/rubocop,kjavier/rubocop,mrfoto/rubocop,sachin21/rubocop,matugm/rubocop,stbenjam/rubocop,sue445/rubocop,deivid-rodriguez/rubocop,alexcstark/rubocop,brayzen/rubocop,palkan/rubocop,tansaku/rubocop,lencioni/rubocop,iGEL/rubocop,plribeiro3000/rubocop,mclark/rubocop,namack/rubocop,panthomakos/rubocop,rrosenblum/rubocop,iGEL/rubocop,imtayadeway/rubocop,backus/rubocop,tdeo/rubocop,janusnic/rubocop,deepj/rubocop,segiddins/rubocop,mlitwiniuk/rubocop,jfelchner/rubocop,sue445/rubocop,Talentee/rubocop,volkert/rubocop,lucasuyezu/rubocop,panthomakos/rubocop,hamhut1066/rubocop,zBMNForks/rubocop,lumeet/rubocop,crazydog115/rubocop,palkan/rubocop,redbricksystems/rubocop,fastly/rubocop,plribeiro3000/rubocop,jonas054/rubocop,bglusman/rubocop,rtlechow/rubocop,maxjacobson/rubocop,tejasbubane/rubocop,zvkemp/rubocop,dmnd/rubocop,bankair/rubocop,hkraji/rubocop,meganemura/rubocop,agrimm/rubocop,josiahsoh/rubocop,mikegee/rubocop,NobodysNightmare/rubocop,kdmsnr/rubocop,mikegee/rubocop,matugm/rubocop,byroot/rubocop,alexdowad/rubocop,pocke/rubocop,alexdowad/rubocop,urbanautomaton/rubocop,sachin21/rubocop,MeetMe/rubocop,vergenzt/rubocop,zvkemp/rubocop,Talentee/rubocop,martinciu/rubocop,Koronen/rubocop,akihiro17/rubocop,tansaku/rubocop,rrosenblum/rubocop,petehamilton/rubocop,imtayadeway/rubocop,palkan/rubocop,meganemura/rubocop,sch1zo/rubocop,net-engine/rubocop,seanhussey/rubocop,Koronen/rubocop,sinsoku/rubocop,stbenjam/rubocop,jmks/rubocop,segiddins/rubocop,brunoocasali/rubocop,janusnic/rubocop,brayzen/rubocop,b-t-g/rubocop,linchus/rubocop,byroot/rubocop,irfanah/rubocop,apiology/rubocop,b-t-g/rubocop,melch/rubocop