class_docstr: Test to hash data correctly, not using _id or _meta fields.
class_docstr_tok: ["Test","to","hash","data","correctly",",","not","using","_id","or","_meta","fields","."]
code: def test_hash(
      self, example: lit_types.Input, expected_hash: lit_types.ExampleId
  ):
      input_hash = lit_dataset.input_hash(example)
      self.assertEqual(input_hash, expected_hash)
  
imports: import os
  import types
  from absl.testing import absltest
  from absl.testing import parameterized
  from lit_nlp.api import dataset
  from lit_nlp.api import types
  import numpy
label_desc: Use image node_id 1 for calling the InputHashTest obj's underlying member method code with example usage: obj.test_hash(example, expected_hash) without return types