Added tests for prune?
Added tests for prune?

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