add route53 healthcheck unit tests
add route53 healthcheck unit tests

zachmullen/boto,jindongh/boto,clouddocx/boto,vishnugonela/boto,jotes/boto,janslow/boto,vijaylbais/boto,weka-io/boto,nexusz99/boto,ryansb/boto,SaranyaKarthikeyan/boto,weebygames/boto,elainexmas/boto,alfredodeza/boto,nikhilraog/boto,appneta/boto,tpodowd/boto,podhmo/boto,varunarya10/boto,zzzirk/boto,pfhayes/boto,bleib1dj/boto,yangchaogit/boto,garnaat/boto,shaunbrady/boto,khagler/boto,trademob/boto,disruptek/boto,rosmo/boto,alex/boto,darjus-amzn/boto,ddzialak/boto,shipci/boto,serviceagility/boto,israelbenatar/boto,felix-d/boto,j-carl/boto,s0enke/boto,acourtney2015/boto,TiVoMaker/boto,lra/boto,abridgett/boto,ocadotechnology/boto,disruptek/boto,stevenbrichards/boto,awatts/boto,Asana/boto,ramitsurana/boto,appneta/boto,drbild/boto,revmischa/boto,dimdung/boto,tpodowd/boto,Pretio/boto,alex/boto,drbild/boto,rayluo/boto,bryx-inc/boto,nishigori/boto,campenberger/boto,ekalosak/boto,kouk/boto,kouk/boto