test-bot: Toggle HOMEBREW_RUBY_MACHO.
test-bot: Toggle HOMEBREW_RUBY_MACHO.

Closes #378.

Signed-off-by: Martin Afanasjew <54669547a225ff20cba8b75a4adca540eef25858@afanasjew.de>

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