code: def testRunsCodeBeforeYield(self):
      x = []
      with test_yield_append_before_and_after_yield(x, "before", ""):
          self.assertEqual("before", x[-1])
  
file_path: tensorflow/tensorflow/python/util/tf_contextlib_test.py
imports: from tensorflow.python.platform import test
  from tensorflow.python.util import tf_contextlib
  from tensorflow.python.util import tf_decorator
  from tensorflow.python.util import tf_inspect
label_desc: Use image node_id 1 for calling the TfContextlibTest obj's underlying member method code with example usage: obj.testRunsCodeBeforeYield() without return types