Restrict `HOMEBREW_JSON_CORE` use in tests
Restrict `HOMEBREW_JSON_CORE` use in tests

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