code: def test_load(self):
      # Test that the shards were actually created
      self.assertTrue(os.path.isfile(self.tmp_fname + ".1"))
  
      self.corpus.save()
      loaded_corpus = ShardedCorpus.load(self.tmp_fname)
  
      self.assertEqual(loaded_corpus.dim, self.corpus.dim)
      self.assertEqual(loaded_corpus.n_shards, self.corpus.n_shards)
  
imports: import os
  import unittest
  import random
  import shutil
  import numpy
  from scipy import sparse
  from gensim.utils import is_corpus, mock_data
  from gensim.corpora.sharded_corpus import ShardedCorpus
label_desc: Use image node_id 4 for calling the TestShardedCorpus obj's underlying member method code with example usage: obj.test_load() without return types