test_cask 'invalid-gpg-signature-url' do version '1.2.3' sha256 '67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94' url TestHelper.local_binary_url('caffeine.zip') homepage 'http://example.com/invalid-gpg-signature-url' gpg 1, key_id: '01234567' app 'Caffeine.app' end