code: def testDeprecation(self):
      with warnings.catch_warnings():
          warnings.simplefilter("error")
          self.assertEqual(m.x, 42)
  
      with self.assertWarns(DeprecationWarning, msg="Please use x"):
          self.assertEqual(m.y, 101)
  
      with self.assertRaisesRegex(
          AttributeError, "Please do not use z"
      ):
          _ = m.z
  
      with self.assertRaisesRegex(
          AttributeError, "module .* has no attribute 'w'"
      ):
          _ = m.w
  
imports: import warnings
  from absl.testing import absltest
  from jax._src import test_util
  from jax._src.internal_test_util import deprecation_module
label_desc: Use image node_id 1 for calling the DeprecationTest obj's underlying member method code with example usage: obj.testDeprecation() without return types