code: def assertRaisesError(self, msg):
      if tf.executing_eagerly():
          return self.assertRaisesRegexp(Exception, msg)
      return self.assertRaisesOpError(msg)
  
imports: from absl.testing import parameterized
  import numpy
  from scipy import stats
  import tensorflow.compat.v1
  import tensorflow.compat.v2
  from tensorflow_probability.python.distributions import half_normal
  from tensorflow_probability.python.distributions import kullback_leibler
  from tensorflow_probability.python.internal import test_util
  from tensorflow_probability.python.math import gradient
label_desc: Use image node_id 3 for calling the HalfNormalTest obj's underlying member method code with example usage: obj.assertRaisesError(msg) and returns: self, self