tests: fail install_script test if npm can't install package
tests: fail install_script test if npm can't install package

Salahudeen/nvm,lukechilds/nvm,egilkh/nvm,cirosantilli/nvm,joneit/nvm,nontage24/nvm,bevacqua/nvm,scq000/nvm,tlevine/nvm,egilkh/nvm,IonicaBizauKitchen/nvm,vinaykaradia/clone-nvm,tlevine/nvm,slariviere/nvm,greyhwndz/nvm,greyhwndz/nvm,lukechilds/nvm,misterdjules/nvm,Kuzirashi/nvm,hanhailong/nvm,DigitallySeamless/nvm,edwmurph/nvm,creationix/nvm,thomasf/nvm,Ingelheim/nvm,thomasf/nvm,PeterDaveHello/nvm,devedbox/nvm,PeterDaveHello/nvm,vinaykaradia/clone-nvm,wahyutaufik/nvm,slariviere/nvm,icyflame/nvm,chinazhaghai/nvm,bbuck/nvm,kumaria/nvm,reybango/nvm,reybango/nvm,misterdjules/nvm,evocateur/nvm,Theodeus/nvm,SampleLiao/nvm,elrasguno/nvm,Salahudeen/nvm,jaawerth/nvm,diegofcb10/nvm,scq000/nvm,kmctown/nvm,cjac/nvm,woss/nvm,mirydz/nvm,edwmurph/nvm,kumaria/nvm,JasonChrYoung/nvm,devedbox/nvm,modulexcite/nvm,chinazhaghai/nvm,JanChw/nvm,jbergstroem/nvm,cjac/nvm,elrasguno/nvm,Richardphp/nvm,williamboman/nvm,parasaro92/nvm,youleiy/nvm,christophercaburog/nvm,dfackler/nvm,tianzhihen/nvm,SampleLiao/nvm,Theodeus/nvm,mirydz/nvm,jhliberty/nvm,ljharb/nvm,wskplho/nvm,hanhailong/nvm,hkdobrev/nvm,joneit/nvm,mmorejon/nvm,hkdobrev/nvm,youleiy/nvm,nontage24/nvm,PeterDaveHelloKitchen/nvm,domenicosolazzo/nvm,JasonChrYoung/nvm,pmq20/nvm,CristianCantoro/nvm,CristianCantoro/nvm,IonicaBizauKitchen/nvm,mmorejon/nvm,LeeLovCY/nvm,michael-ni/nvm,Kuzirashi/nvm,jbergstroem/nvm,icyflame/nvm,creationix/nvm,cnpm/nvm,wskplho/nvm,jaawerth/nvm,wahyutaufik/nvm,owen-it/nvm,woss/nvm,PeterDaveHelloKitchen/nvm,tianzhihen/nvm,domenicosolazzo/nvm,owen-it/nvm,Ingelheim/nvm,dfackler/nvm,modulexcite/nvm,pmq20/nvm,WY08271/nvm,jhliberty/nvm,DigitallySeamless/nvm,gtdeng/nvm,fnogatz/swivm,parasaro92/nvm,diegofcb10/nvm,psychoss/nvm,cirosantilli/nvm,ljharb/nvm,bevacqua/nvm,williamboman/nvm,LeeLovCY/nvm,bbuck/nvm,cnpm/nvm,christophercaburog/nvm,JanChw/nvm,gtdeng/nvm,Richardphp/nvm,WY08271/nvm,michael-ni/nvm,kmctown/nvm,psychoss/nvm,evocateur/nvm