code: def test_CoClustering_parameters(u1_ml100k, pkf):
      """Ensure that all parameters are taken into account."""
  
      # The baseline against which to compare.
      algo = CoClustering(n_epochs=1, random_state=1)
      rmse_default = cross_validate(algo, u1_ml100k, ["rmse"], pkf)[
          "test_rmse"
      ]
  
      # n_cltr_u
      algo = CoClustering(n_cltr_u=1, n_epochs=1, random_state=1)
      rmse_n_cltr_u = cross_validate(algo, u1_ml100k, ["rmse"], pkf)[
          "test_rmse"
      ]
      assert rmse_default != rmse_n_cltr_u
  
      # n_cltr_i
      algo = CoClustering(n_cltr_i=1, n_epochs=1, random_state=1)
      rmse_n_cltr_i = cross_validate(algo, u1_ml100k, ["rmse"], pkf)[
          "test_rmse"
      ]
      assert rmse_default != rmse_n_cltr_i
  
      # n_epochs
      algo = CoClustering(n_epochs=2, random_state=1)
      rmse_n_epochs = cross_validate(algo, u1_ml100k, ["rmse"], pkf)[
          "test_rmse"
      ]
      assert rmse_default != rmse_n_epochs
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_CoClustering_parameters(u1_ml100k, pkf) without return types