code: def test_warn_to_add_tests(self):
      assert len(np.__config__.DisplayModes) == 2, (
          "New mode detected,"
          " please add UT if applicable and increment this count"
      )
  
file_path: numpy/numpy/tests/test_numpy_config.py
imports: import numpy
  import pytest
  from unittest.mock import Mock, patch
label_desc: Use image node_id 4 for calling the TestNumPyConfigs obj's underlying member method code with example usage: obj.test_warn_to_add_tests() without return types