code: def testWrongAddress(self):
      init = self._config.knowledge_bank_config.initializer
      init.default_embedding.value.append(1)
      init.default_embedding.value.append(2)
      with self.assertRaisesRegex(
          Exception, "DynamicEmbeddingManager is NULL."
      ):
          de_ops.dynamic_embedding_lookup(
              ["first", "second", ""],
              self._config,
              "emb",
              "wrongaddress",
              timeout_ms=10,
          )
  
imports: import itertools
  from absl.testing import parameterized
  from research.carls import context
  from research.carls import dynamic_embedding_ops
  from research.carls.testing import test_util
  import numpy
  import tensorflow
label_desc: Use image node_id 7 for calling the DynamicEmbeddingOpsTest obj's underlying member method code with example usage: obj.testWrongAddress() without return types