code: def test_all_tf_execution_regimes(test_case):
      """Only relevant for the TensorFlow backend."""
      if BACKEND == "backend_tensorflow":
          return test_util.test_all_tf_execution_regimes(test_case)
      else:
          return test_case
  
imports: import collections
  import importlib
  from absl import flags
  from absl import logging
  import jax
  import numpy
  import tensorflow.compat.v2
  import tensorflow_probability
  from tensorflow_probability.python.internal import test_util
label_desc: Use image node_id 5 for calling a global function with example usage: test_all_tf_execution_regimes(test_case) and returns: test_util, test_case