code: def test_raises_value_error_for_invalid_attr(self):
      with self.assertRaisesRegex(
          ValueError, "Attribute api_implements must be"
      ):
          self.concrete_function_with_attrs(
              attrs={"api_implements": None}
          )
  
imports: from absl.testing import parameterized
  from tensorflow.core.framework import attr_value_pb2
  from tensorflow.python.eager.polymorphic_function import atomic_function
  from tensorflow.python.eager.polymorphic_function import concrete_function
  from tensorflow.python.eager.polymorphic_function import polymorphic_function
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import func_graph
  from tensorflow.python.framework import ops
  from tensorflow.python.ops import variables
  from tensorflow.python.ops.ragged import ragged_tensor
  from tensorflow.python.platform import test
  from tensorflow.python.util import compat
label_desc: Use image node_id 4 for calling the ConcreteFunctionTest obj's underlying member method code with example usage: obj.test_raises_value_error_for_invalid_attr() without return types