brew/Library/Homebrew/test/cmd/cask_spec.rb

describe "brew cask", :integration_test, :needs_macos, :needs_official_cmd_taps do
  describe "list" do
    it "returns a list of installed Casks" do
      setup_remote_tap("caskroom/cask")
      shutup do
        expect { brew "cask", "list" }.to be_a_success
      end
    end
  end
end