Fix `spec_helper` cleanup.
Fix `spec_helper` cleanup.

vitorgalvao/brew,Homebrew/brew,reitermarkus/brew,claui/brew,ilovezfs/brew,claui/brew,JCount/brew,EricFromCanada/brew,Linuxbrew/brew,mgrimes/brew,MikeMcQuaid/brew,Homebrew/brew,Linuxbrew/brew,EricFromCanada/brew,claui/brew,vitorgalvao/brew,ilovezfs/brew,EricFromCanada/brew,mahori/brew,DomT4/brew,ilovezfs/brew,mahori/brew,DomT4/brew,JCount/brew,MikeMcQuaid/brew,vitorgalvao/brew,mgrimes/brew,Linuxbrew/brew,JCount/brew,sjackman/homebrew,reitermarkus/brew,vitorgalvao/brew,maxim-belkin/brew,Homebrew/brew,MikeMcQuaid/brew,mahori/brew,reitermarkus/brew,mgrimes/brew,mahori/brew,nandub/brew,DomT4/brew,maxim-belkin/brew,konqui/brew,konqui/brew,maxim-belkin/brew,JCount/brew,Linuxbrew/brew,Homebrew/brew,sjackman/homebrew,konqui/brew,reitermarkus/brew,nandub/brew,MikeMcQuaid/brew,nandub/brew,claui/brew,konqui/brew,EricFromCanada/brew,nandub/brew,sjackman/homebrew,DomT4/brew,sjackman/homebrew