class TestBlock(unittest.TestCase):
    def setUp(self):
        self.block = Block(111, 2, 13, 16)

    def test_next_pos(self):
        self.assertEqual(13, self.block.next_pos())
        self.assertNotEqual(13, self.block.next_pos())
class TestBlock(unittest.TestCase):
    def setUp(self):
        self.block = Block(111, 2, 13, 16)

    def test_next_pos(self):
        self.assertEqual(13, self.block.next_pos())
        self.assertNotEqual(13, self.block.next_pos())
 def setUp(self):
     self.block = Block(111, 2, 13, 16)
 def setUp(self):
     self.block = Block(111, 2, 13, 16)