code: def test_ctx_mgr_as_smth(self):
      opts = {"precision": 2}
      with np.printoptions(**opts) as ctx:
          saved_opts = ctx.copy()
      assert_equal({k: saved_opts[k] for k in opts}, opts)
  
imports: import sys
  import gc
  from hypothesis import given
  from hypothesis.extra import numpy
  import pytest
  import numpy
  from numpy.testing import assert_, assert_equal, assert_raises, assert_warns, HAS_REFCOUNT, assert_raises_regex
  from numpy.core.arrayprint import _typelessdata
  import textwrap
label_desc: Use image node_id 4 for calling the TestContextManager obj's underlying member method code with example usage: obj.test_ctx_mgr_as_smth() without return types