code: def test_read_movielens_df_user(movielens_df_user):
      assert movielens_df_user.shape == (943, 5)
  
file_path: collie/tests/test_movielens.py
imports: from unittest import mock
  import urllib
  import pandas
  import pytest
  from collie.movielens import get_recommendation_visualizations, read_movielens_posters_df, run_movielens_example
label_desc: Use image node_id 3 for calling a global function with example usage: test_read_movielens_df_user(movielens_df_user) without return types