code: def test_singleton_tensor(self):
      t = tf.random.normal((10, 10))
      np_t = dataset_utils.as_numpy(t)
      self.assertEqual((10, 10), np_t.shape)
      self.assertEqual(np.float32, np_t.dtype)
  
imports: from etils import enp
  import numpy
  import tensorflow
  from tensorflow_datasets import testing
  from tensorflow_datasets.core import dataset_utils
label_desc: Use image node_id 1 for calling the DatasetAsNumPyTest obj's underlying member method code with example usage: obj.test_singleton_tensor() without return types