code: def test_magicmock(self):
      mock = MagicMock()
  
      mock.__iter__.return_value = iter([1, 2, 3])
      self.assertEqual(list(mock), [1, 2, 3])
  
      getattr(mock, "__bool__").return_value = False
      self.assertFalse(hasattr(mock, "__nonzero__"))
      self.assertFalse(bool(mock))
  
      for entry in _magics:
          self.assertTrue(hasattr(mock, entry))
      self.assertFalse(hasattr(mock, "__imaginary__"))
  
imports: import math
  import unittest
  import os
  from asyncio import iscoroutinefunction
  from unittest.mock import AsyncMock, Mock, MagicMock, _magics
label_desc: Use image node_id 15 for calling the TestMockingMagicMethods obj's underlying member method code with example usage: obj.test_magicmock() without return types