def test_fraction_is_simplified_as_expected(self):
fraction = Fraction(10, 50)
expected = Fraction(1, 5)
self.assertEqual(fraction.simplify(), expected)
def test_simplified_fraction_is_preserved_after_simplication(self):
fraction = Fraction(1, 5)
expected = Fraction(1, 5)
self.assertEqual(fraction.simplify(), expected)