Added tests for cleaning up old files in HOMEBREW_CACHE
Added tests for cleaning up old files in HOMEBREW_CACHE

sjackman/homebrew,maxim-belkin/brew,JCount/brew,palxex/brew,DomT4/brew,Linuxbrew/brew,reelsense/brew,aw1621107/brew,alyssais/brew,pseudocody/brew,Homebrew/brew,hanxue/linuxbrew,maxim-belkin/brew,sjackman/homebrew,MikeMcQuaid/brew,mahori/brew,JCount/brew,alyssais/brew,konqui/brew,vitorgalvao/brew,nandub/brew,aw1621107/brew,Homebrew/brew,EricFromCanada/brew,ilovezfs/brew,Homebrew/brew,pseudocody/brew,mahori/brew,jmsundar/brew,reitermarkus/brew,mahori/brew,sjackman/homebrew,hanxue/linuxbrew,vitorgalvao/brew,reelsense/brew,DomT4/brew,MikeMcQuaid/brew,pseudocody/brew,nandub/brew,amar-laksh/brew_sudo,MikeMcQuaid/brew,mahori/brew,konqui/brew,claui/brew,gregory-nisbet/brew,reitermarkus/brew,konqui/brew,DomT4/brew,nandub/brew,Linuxbrew/brew,mgrimes/brew,alyssais/brew,amar-laksh/brew_sudo,nandub/brew,reitermarkus/brew,reitermarkus/brew,reelsense/brew,ilovezfs/brew,vitorgalvao/brew,Linuxbrew/brew,EricFromCanada/brew,ilovezfs/brew,mgrimes/brew,JCount/brew,DomT4/brew,gregory-nisbet/brew,palxex/brew,claui/brew,amar-laksh/brew_sudo,EricFromCanada/brew,JCount/brew,maxim-belkin/brew,mgrimes/brew,gregory-nisbet/brew,hanxue/linuxbrew,vitorgalvao/brew,claui/brew,jmsundar/brew,Linuxbrew/brew,EricFromCanada/brew,palxex/brew,claui/brew,konqui/brew,MikeMcQuaid/brew,jmsundar/brew,Homebrew/brew,aw1621107/brew,sjackman/homebrew