code: def test_namespace_levels_more_than_max(self) -> None:
      with self.assertRaises(AssertionError):
          NamespaceHelper(
              namespace_str="custom_1::custom_2",
              entity_name="",
              max_level=1,
          )
  
imports: import unittest
  from torchgen.utils import NamespaceHelper
label_desc: Use image node_id 3 for calling the TestNamespaceHelper obj's underlying member method code with example usage: obj.test_namespace_levels_more_than_max() without return types