Fix HOMEBREW_BREW_FILE for unit tests.
Fix HOMEBREW_BREW_FILE for unit tests.

maxim-belkin/brew,hanxue/linuxbrew,zmwangx/brew,reelsense/brew,staticfloat/brew,DomT4/brew,pseudocody/brew,gregory-nisbet/brew,reitermarkus/brew,aw1621107/brew,palxex/brew,amar-laksh/brew_sudo,mahori/brew,Homebrew/brew,alyssais/brew,jmsundar/brew,bfontaine/brew,toonetown/homebrew,nandub/brew,reitermarkus/brew,staticfloat/brew,mahori/brew,sjackman/homebrew,maxim-belkin/brew,jmsundar/brew,ilovezfs/brew,vitorgalvao/brew,alyssais/brew,mahori/brew,toonetown/homebrew,gregory-nisbet/brew,staticfloat/brew,JCount/brew,pseudocody/brew,MikeMcQuaid/brew,muellermartin/dist,AnastasiaSulyagina/brew,DomT4/brew,reitermarkus/brew,konqui/brew,gordonmcshane/homebrew,vitorgalvao/brew,zmwangx/brew,mgrimes/brew,maxim-belkin/brew,sjackman/homebrew,pseudocody/brew,Homebrew/brew,claui/brew,tonyg/homebrew,claui/brew,tonyg/homebrew,claui/brew,palxex/brew,MikeMcQuaid/brew,hanxue/linuxbrew,muellermartin/dist,vitorgalvao/brew,ilovezfs/brew,reelsense/brew,vitorgalvao/brew,gordonmcshane/homebrew,aw1621107/brew,Linuxbrew/brew,jmsundar/brew,aw1621107/brew,rwhogg/brew,EricFromCanada/brew,alyssais/brew,tonyg/homebrew,EricFromCanada/brew,palxex/brew,bfontaine/brew,JCount/brew,amar-laksh/brew_sudo,JCount/brew,mahori/brew,amar-laksh/brew_sudo,AnastasiaSulyagina/brew,Homebrew/brew,ilovezfs/brew,konqui/brew,rwhogg/brew,toonetown/homebrew,AnastasiaSulyagina/brew,claui/brew,muellermartin/dist,JCount/brew,mgrimes/brew,konqui/brew,mistydemeo/homebrew,EricFromCanada/brew,rwhogg/brew,bfontaine/brew,hanxue/linuxbrew,zmwangx/brew,DomT4/brew,mistydemeo/homebrew,nandub/brew,MikeMcQuaid/brew,konqui/brew,Linuxbrew/brew,mistydemeo/homebrew,Linuxbrew/brew,MikeMcQuaid/brew,sjackman/homebrew,Linuxbrew/brew,reelsense/brew,sjackman/homebrew,reitermarkus/brew,mgrimes/brew,gregory-nisbet/brew,gordonmcshane/homebrew,DomT4/brew,nandub/brew,nandub/brew,EricFromCanada/brew,Homebrew/brew