def test_equal_1(self): self.assertEqual(pair_zeros([0, 1, 0, 2]), [0, 1, 2])
def test_equal_2(self): self.assertEqual(pair_zeros([0, 1, 0, 0]), [0, 1, 0])
def test_equal_8(self): self.assertEqual(pair_zeros([0]), [0])
def test_equal_12(self): self.assertEqual(pair_zeros([1, 0, 1, 0, 2, 0, 0, 3, 0]), [1, 0, 1, 2, 0, 3, 0])
def test_equal_7(self): self.assertEqual(pair_zeros([1, 2, 3]), [1, 2, 3])
def test_equal_6(self): self.assertEqual(pair_zeros([1]), [1])
def test_equal_5(self): self.assertEqual(pair_zeros([]), [])
def test_equal_4(self): self.assertEqual(pair_zeros([0, 1, 7, 0, 2, 2, 0, 0, 1, 0]), [0, 1, 7, 2, 2, 0, 1, 0])
def test_equal_3(self): self.assertEqual(pair_zeros([1, 0, 7, 0, 1]), [1, 0, 7, 1])