def test_gcd_alias(self):
test_a = 7
expected = 7
self.assertEqual(expected, gcd(test_a, test_a))
def test_gcd_same_num(self):
test_a = 7
test_b = 7
expected = 7
self.assertEqual(expected, gcd(test_a, test_b))
def test_gcd_36_123(self):
test_a = 36
test_b = 123
expected = 3
self.assertEqual(expected, gcd(test_a, test_b))
def test_gcd_neg36_neg123(self):
test_a = -36
test_b = -123
expected = 3
self.assertEqual(expected, gcd(test_a, test_b))
def test_gcd_30_12(self):
test_a = 30
test_b = 12
expected = 6
self.assertEqual(expected, gcd(test_a, test_b))