code: def testSupportBijectorOutsideRange(self):
      dist = gamma_lib.Gamma(
          concentration=[3.0], rate=[3.0, 2.0, 5.4], validate_args=True
      )
      x = np.array([-4.2, -0.3, -1e-6])
      bijector_inverse_x = (
          dist.experimental_default_event_space_bijector().inverse(x)
      )
      self.assertAllNan(self.evaluate(bijector_inverse_x))
  
imports: import functools
  from absl.testing import parameterized
  import numpy
  from scipy import misc
  from scipy import special
  from scipy import stats
  import tensorflow.compat.v2
  from tensorflow_probability.python.bijectors import exp
  from tensorflow_probability.python.distributions import gamma
  from tensorflow_probability.python.distributions import kullback_leibler
  from tensorflow_probability.python.distributions.internal import statistical_testing
  from tensorflow_probability.python.internal import implementation_selection
  from tensorflow_probability.python.internal import test_util
  from tensorflow_probability.python.math import gradient
label_desc: Use image node_id 35 for calling the GammaTest obj's underlying member method code with example usage: obj.testSupportBijectorOutsideRange() without return types