code: def test_generate_equi_width_buckets_unsorted_quantiles(self):
      with self.assertRaises(AssertionError):
          quantiles_util.generate_equi_width_histogram(
              np.array([5, 1]), np.array([1, 2]), 1, 5, 10, 0
          )
  
imports: from typing import List
  from absl.testing import absltest
  from absl.testing import parameterized
  import numpy
  from tensorflow_data_validation.utils import quantiles_util
  from google.protobuf import text_format
  from tensorflow_metadata.proto.v0 import statistics_pb2
label_desc: Use image node_id 2 for calling the GenerateEquiWidthBucketsTest obj's underlying member method code with example usage: obj.test_generate_equi_width_buckets_unsorted_quantiles() without return types