fix: add scss loader to test
fix: add scss loader to test

qdouble/angular-webpack2-starter,Ks89/angular-webpack2-starter-demo-with-angular-modal-gallery,sangeet003/ng4-pwa-test,Ks89/angular-webpack2-starter-demo-with-angular-modal-gallery,qdouble/angular-webpack2-starter,sangeet003/ng4-pwa-test,Ks89/angular-webpack2-starter-demo-with-angular-modal-gallery,sangeet003/ng4-pwa-test,sangeet003/ng4-pwa-test,qdouble/angular-webpack2-starter