code: def setUp(self):
      self.data = Reader().read("./tests/data.txt")
  
file_path: cornac/tests/cornac/experiment/test_experiment.py
imports: import unittest
  from cornac.data import Reader
  from cornac.eval_methods import RatioSplit, CrossValidation
  from cornac.models import PMF
  from cornac.metrics import MAE, RMSE, Recall, FMeasure
  from cornac.experiment.experiment import Experiment
label_desc: Use image node_id 1 for calling the TestExperiment obj's underlying member method code with example usage: obj.setUp() without return types