def test_caesarCipher(self):
self.assertEquals(cipher.caesarCipher('I like tacos', 12), 'U xuwq fmoae')
def test_caesarCipherWithNumbers(self):
self.assertEquals(cipher.caesarCipher('There are 3 apples on the table', 22), 'Pdana wna 3 wllhao kj pda pwxha')