Add brew tap step to test_homebrew
Add brew tap step to test_homebrew

adamtheturtle/flocker,runcom/flocker,lukemarsden/flocker,adamtheturtle/flocker,mbrukman/flocker,Azulinho/flocker,w4ngyi/flocker,agonzalezro/flocker,mbrukman/flocker,achanda/flocker,jml/flocker,jml/flocker,moypray/flocker,achanda/flocker,LaynePeng/flocker,hackday-profilers/flocker,mbrukman/flocker,w4ngyi/flocker,agonzalezro/flocker,Azulinho/flocker,1d4Nf6/flocker,LaynePeng/flocker,AndyHuu/flocker,agonzalezro/flocker,w4ngyi/flocker,achanda/flocker,moypray/flocker,1d4Nf6/flocker,wallnerryan/flocker-profiles,moypray/flocker,Azulinho/flocker,LaynePeng/flocker,wallnerryan/flocker-profiles,adamtheturtle/flocker,runcom/flocker,1d4Nf6/flocker,runcom/flocker,jml/flocker,AndyHuu/flocker,lukemarsden/flocker,AndyHuu/flocker,hackday-profilers/flocker,lukemarsden/flocker,hackday-profilers/flocker,wallnerryan/flocker-profiles