code: def test_as_tensor_works_with_scalar(self):
      array = TensorField(numpy.asarray(42))
      returned_tensor = array.as_tensor(array.get_padding_lengths())
      current_tensor = numpy.asarray(42)
      numpy.testing.assert_array_equal(returned_tensor, current_tensor)
  
file_path: allennlp/tests/data/fields/tensor_field_test.py
imports: import numpy
  import torch
  from allennlp.common.testing.test_case import AllenNlpTestCase
  from allennlp.data.fields import TensorField, ListField
label_desc: Use image node_id 6 for calling the TestTensorField obj's underlying member method code with example usage: obj.test_as_tensor_works_with_scalar() without return types