code: def test_round_up(self):
      self.assertEqual(round_up(-3, 4), 0)
      self.assertEqual(round_up(-4, 4), -4)
      self.assertEqual(round_up(6, 4), 8)
      self.assertEqual(round_up(8, 4), 8)
      self.assertEqual(round_up(232, 24984), 24984)
      self.assertEqual(round_up(24984, 232), 25056)
  
imports: import unittest
  from PIL import Image
  from tinygrad.helpers import Context, ContextVar, merge_dicts, strip_parens, prod, round_up, fetch, fully_flatten, from_mv, to_mv
  from tinygrad.shape.symbolic import Variable, NumNode
label_desc: Use image node_id 1 for calling the TestRoundUp obj's underlying member method code with example usage: obj.test_round_up() without return types