def test_zero_case(self):
"""
Test gcd between two odd numbers.
"""
expected = 10
actual = divisor.gcd(10,0)
self.assertEqual(expected, actual)
def test_even_numbers(self):
"""
Test gcd between two even numbers.
"""
expected = 2
actual = divisor.gcd(2,4)
self.assertEqual(expected, actual)
def test_odd_numbers(self):
"""
Test gcd between two odd numbers.
"""
expected = 5
actual = divisor.gcd(5,15)
self.assertEqual(expected, actual)
