added some more unit tests
added some more unit tests

krrishd/node-unblocker,krrishd/node-unblocker,shenzhouzd/update,haveacc/a,nfriedly/node-unblocker,haveacc/a,emilhem/node-unblocker,shenzhouzd/update,nfriedly/node-unblocker,emilhem/node-unblocker