code: def setUp(self):
      self.data = Reader().read(
          "./tests/sequence.txt", fmt="USIT", sep=" "
      )
  
file_path: cornac/tests/cornac/eval_methods/test_next_item_evaluation.py
imports: import unittest
  from cornac.eval_methods import NextItemEvaluation
  from cornac.data import Reader
  from cornac.models import SPop
  from cornac.metrics import HitRatio, Recall
label_desc: Use image node_id 1 for calling the TestNextItemEvaluation obj's underlying member method code with example usage: obj.setUp() without return types