code: def testIsCompositeTensor(self):
      ragged_tensor = tf.ragged.constant([[1, 2], [3]])
      self.assertTrue(tf_utils.is_composite_tensor(ragged_tensor))
  
      sparse_tensor = tf.SparseTensor(
          [[0, 2], [3, 2]], [5, 6], [10, 10]
      )
      self.assertTrue(tf_utils.is_composite_tensor(sparse_tensor))
  
      tensor = tf.constant([1, 2, 3])
      self.assertFalse(tf_utils.is_composite_tensor(tensor))
  
imports: import tensorflow
  from tensorflow_hub import tf_utils
label_desc: Use image node_id 1 for calling the TfUtilsTest obj's underlying member method code with example usage: obj.testIsCompositeTensor() without return types