code: def test_features(self):
      self.load_flags()
      for gname, features in self.features_groups.items():
          test_features = [self.cpu_have(f) for f in features]
          assert_features_equal(
              __cpu_features__.get(gname), all(test_features), gname
          )
  
      for feature_name in self.features:
          cpu_have = self.cpu_have(feature_name)
          npy_have = __cpu_features__.get(feature_name)
          assert_features_equal(npy_have, cpu_have, feature_name)
  
imports: import sys, platform, re, pytest
  from numpy.core._multiarray_umath import __cpu_features__, __cpu_baseline__, __cpu_dispatch__
  import numpy
  import subprocess
  import pathlib
  import os
  import re
label_desc: Use image node_id 2 for calling the AbstractTest obj's underlying member method code with example usage: obj.test_features() without return types