class_docstr: Tests correctness of the Frechet bijector.
code: def testScalarCongruency(self):
      loc = np.array(-1.0, np.float64)
      bijector_test_util.assert_scalar_congruency(
          frechet_cdf.FrechetCDF(
              loc=loc, scale=20.0, concentration=0.5
          ),
          lower_x=1.0,
          upper_x=100.0,
          eval_func=self.evaluate,
          rtol=0.05,
      )
  
file_path: probability/tensorflow_probability/python/bijectors/frechet_cdf_test.py
imports: import numpy
  from scipy import stats
  import tensorflow.compat.v2
  from tensorflow_probability.python.bijectors import bijector_test_util
  from tensorflow_probability.python.bijectors import frechet_cdf
  from tensorflow_probability.python.internal import test_util
label_desc: Use image node_id 2 for calling the FrechetCDFTest obj's underlying member method code with example usage: obj.testScalarCongruency() without return types