def test_noninteger_argument2(cls): find_gcd_euclid(3, "string")
def test_noninteger_argument3(cls): find_gcd_euclid("string1", "string2")
def test_noninteger_number3(cls): find_gcd_euclid(3.14, 3.14)
def test_noninteger_argument1(cls): find_gcd_euclid("string", 3)
def test_positive(cls): assert_equals(find_gcd_euclid(16, 68), 4)
def test_negative3(cls): assert_equals(find_gcd_euclid(-3, -9), 3)
def test_zero3(cls): assert_equals(find_gcd_euclid(0, 0), 0)
def test_zero2(cls): assert_equals(find_gcd_euclid(0, 9), 9)
def test_zero1(cls): assert_equals(find_gcd_euclid(9, 0), 9)