class_docstr: Tests for serialization, deserialization helpers.
class_docstr_tok: ["Tests","for","serialization",",","deserialization","helpers","."]
code: def test_deserialize_invalid_config(self):
      with self.assertRaisesRegex(
          ValueError, "Improper config format: {}"
      ):
          serialization.deserialize_feature_column({})
  
file_path: tensorflow/tensorflow/python/feature_column/serialization_test.py
imports: from tensorflow.python.feature_column import feature_column_v2
  from tensorflow.python.feature_column import serialization
  from tensorflow.python.platform import test
label_desc: Use image node_id 2 for calling the FeatureColumnSerializationTest obj's underlying member method code with example usage: obj.test_deserialize_invalid_config() without return types