Added tests for cask search with online search failure
Added tests for cask search with online search failure

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