def test_negative(self):
     with self.assertRaises(TypeError):
         prime_numbers(-5)
 def test_answer(self):
     self.assertEquals(prime_numbers(11), [1, 2, 3, 5, 7, 11])
 def test_integer(self):
     with self.assertRaises(TypeError):
         prime_numbers([])
 def test_zero_is_not_prime(self):
     self.assertNotIn(0, prime_numbers(5))
 def test_one_is_prime(self):
     self.assertIn(1, prime_numbers(5))
 def test_returns_list(self):
     self.assertIsInstance(prime_numbers(5), list)