def test_racecar(self): self.assertEqual(reverse_string('racecar'), 'racecar')
def test_a(self): self.assertEqual(reverse_string('a'), 'a')
def test_horse(self): self.assertEqual(reverse_string('horse'), 'esroh')
def test_racecar(): assert_equal(reverse_string('racecar'), 'racecar')
def test_empty(self): self.assertEqual(reverse_string(''), '')
def test_a(): assert_equal(reverse_string('a'), 'a')
def test_camper(): assert_equal(reverse_string('camper'), 'repmac')
def test_racecar(self): self.assertEqual(reverse_string('racecar'),'racecar')
def test_empty(): assert_equal(reverse_string(''), '')
def test_a(self): self.assertEqual(reverse_string('a'),'a')
def test_horse(self): self.assertEqual(reverse_string('horse'),'esroh')
def test_empty(self): self.assertEqual(reverse_string(''),'')