test/keg_relocate/grep_spec.rb: add new unit tests
test/keg_relocate/grep_spec.rb: add new unit tests

MikeMcQuaid/brew,JCount/brew,nandub/brew,JCount/brew,nandub/brew,JCount/brew,MikeMcQuaid/brew,MikeMcQuaid/brew,Homebrew/brew,JCount/brew,MikeMcQuaid/brew,Homebrew/brew,nandub/brew,Homebrew/brew,Homebrew/brew,nandub/brew