code: def test_round_up_to_multiple(self):
      self.assertEqual(round_up_to_multiple(x=12, base=5), 15)
      self.assertIsInstance(round_up_to_multiple(x=12, base=5), int)
  
file_path: PyWaffle/tests/test_utilities.py
imports: import unittest
  from pywaffle.waffle import array_resize, division, flip_lines, round_up_to_multiple
label_desc: Use image node_id 2 for calling the TestUtilities obj's underlying member method code with example usage: obj.test_round_up_to_multiple() without return types