code: def setUp(self):
      self.data = Reader().read(
          "./tests/basket.txt", fmt="UBITJson", sep="\t"
      )
  
file_path: cornac/tests/cornac/eval_methods/test_next_basket_evaluation.py
imports: import unittest
  from cornac.eval_methods import NextBasketEvaluation
  from cornac.data import Reader
  from cornac.models import GPTop
  from cornac.metrics import HitRatio, Recall
label_desc: Use image node_id 1 for calling the TestNextBasketEvaluation obj's underlying member method code with example usage: obj.setUp() without return types