code: def test_true(self):
      assert _get_env_bool("V", True, {})
      assert _get_env_bool("V", True, {"V": "1"})
      assert _get_env_bool("V", False, {"V": "1"})
  
file_path: cupy/tests/install_tests/test_cupy_builder/test_context.py
imports: import os
  from cupy_builder._context import _get_env_bool, _get_env_path, Context, parse_args
label_desc: Use image node_id 1 for calling the TestGetEnvBool obj's underlying member method code with example usage: obj.test_true() without return types