code: def testSupportBijectorOutsideRange(self):
      dist = inverse_gaussian.InverseGaussian(
          loc=self.make_tensor([7.0, 2.0, 5.0]),
          concentration=self.make_tensor(2.0),
          validate_args=True,
      )
      eps = 1e-6
      x = np.array([[-7.2, -eps, -1.3], [-5.0, -12.0, -eps]])
      bijector_inverse_x = (
          dist.experimental_default_event_space_bijector().inverse(x)
      )
      self.assertAllNan(self.evaluate(bijector_inverse_x))
  
imports: import numpy
  from scipy import misc
  from scipy import stats
  import tensorflow.compat.v1
  import tensorflow.compat.v2
  from tensorflow_probability.python.distributions import inverse_gaussian
  from tensorflow_probability.python.internal import test_util
  from tensorflow_probability.python.math import gradient
label_desc: Use image node_id 25 for calling the _InverseGaussianTest obj's underlying member method code with example usage: obj.testSupportBijectorOutsideRange() without return types