code: def test_freevar_threshold(self):
      a = b = c = d = e = 1
  
      def f():
          return a + b + c + d + e
  
      txt = free_vars_detect.generate_free_var_logging(
          f, var_threshold=3
      )
      txt = self._remove_explanation(txt)
      self.assertEqual(txt, "Inside function f(): a, b, c...")
  
imports: import functools
  import unittest
  from absl.testing import parameterized
  import numpy
  from tensorflow.core.function.capture import free_vars_detect
  from tensorflow.python.util import tf_decorator
label_desc: Use image node_id 12 for calling the GenerateLoggingTest obj's underlying member method code with example usage: obj.test_freevar_threshold() and returns: unknown