code: def testCollections(self):
      def fn(x):
          v = variable_v1.VariableV1(
              3, name="v", trainable=False, collections=["a"]
          )
          v2 = variable_scope.get_variable(
              "v",
              initializer=init_ops.Constant(4),
              shape=[],
              dtype=dtypes.int32,
              collections=["a", "b"],
          )
          return v + v2 + x
  
      def assert_collections(graph):
          self.assertLen(
              graph.get_collection(ops.GraphKeys.TRAINABLE_VARIABLES), 1
          )
          self.assertLen(graph.get_collection("a"), 2)
          self.assertLen(graph.get_collection("b"), 1)
  
      g = wrap_function.WrappedGraph()
      g.wrap_function(fn, [tensor_spec.TensorSpec([], dtypes.int32)])
      assert_collections(g.graph)
  
      def assert_fn():
          assert_collections(ops.get_default_graph())
          return 1  # Return is required
  
      # Assert that collections are accessible within a wrapped function.
      g.wrap_function(assert_fn, [])
  
imports: import os
  from tensorflow.core.protobuf import meta_graph_pb2
  from tensorflow.python.data.ops import dataset_ops
  from tensorflow.python.eager import backprop
  from tensorflow.python.eager import def_function
  from tensorflow.python.eager import wrap_function
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import importer
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import tensor_spec
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import init_ops
  from tensorflow.python.ops import state_ops
  from tensorflow.python.ops import variable_scope
  from tensorflow.python.ops import variable_v1
  from tensorflow.python.ops import variables
  from tensorflow.python.ops.ragged import ragged_factory_ops
  from tensorflow.python.ops.ragged import ragged_tensor
  from tensorflow.python.platform import test
  from tensorflow.python.training import saver
label_desc: Use image node_id 2 for calling the WrappedGraphTest obj's underlying member method code with example usage: obj.testCollections() and returns: unknown, int