code: def testBadModel(self):
      with self.assertRaisesRegex(
          TypeError, "Model must have only one Tensor dtype"
      ):
          targets.VectorModel(TestBadModel())
  
imports: from absl.testing import parameterized
  import numpy
  import tensorflow.compat.v2
  import tensorflow_probability
  from tensorflow_probability.python.internal import test_util
  from inference_gym import targets
  from inference_gym.internal import test_util
label_desc: Use image node_id 3 for calling the VectorModelTest obj's underlying member method code with example usage: obj.testBadModel() without return types