class_docstr: Base class for the reference tests.
class_docstr_tok: ["Base","class","for","the","reference","tests","."]
code: def run_native(self, f, *args):
      return self._run_with_output_capture(lambda: f(*args))
  
imports: import io
  import numbers
  import os
  import sys
  import traceback
  import numpy
  import tensorflow
label_desc: Use image node_id 4 for calling the TestCase obj's underlying member method code with example usage: obj.run_native(f) and returns: self