'Test to ensure that row merging yields correct results'

def test_fix_rows(self):

    start = [['1', '2', '3'], [''], ['abc'], ['4', '5']]
    fixed = join_rows(start)
    self.assertEqual(4, len(fixed))
    self.assertEqual(start[0][0], fixed[0])
    self.assertEqual(start[0][1], fixed[1])
    self.assertEqual('    '.join([start[0][(-1)], start[1][0], start[2][0], start[3][0]]), fixed[2])
    self.assertEqual(start[3][1], fixed[3])
