brew-test-bot: be more resilient to bad arguments.
brew-test-bot: be more resilient to bad arguments.

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