docstr: This test checks whether the movielens getter works and that the resulting data is viable for fitting/testing a
  TensorRec model.
docstr_tok: ["This","test","checks","whether","the","movielens","getter","works","and","that","the","resulting","data","is","viable","for","fitting\/testing","a","TensorRec","model","."]
code: def test_movie_lens_fit(self):
      """
      This test checks whether the movielens getter works and that the resulting data is viable for fitting/testing a
      TensorRec model.
      """
      (
          train_interactions,
          test_interactions,
          user_features,
          item_features,
          _,
      ) = self.movielens_100k
  
      model = TensorRec()
      model.fit(
          interactions=train_interactions,
          user_features=user_features,
          item_features=item_features,
          epochs=5,
      )
      predictions = model.predict(
          user_features=user_features, item_features=item_features
      )
  
      self.assertIsNotNone(predictions)
  
imports: from unittest import TestCase
  from tensorrec import TensorRec
  from test.datasets import get_movielens_100k
label_desc: Use image node_id 2 for calling the MovieLensTestCase obj's underlying member method code with example usage: obj.test_movie_lens_fit() without return types