code: def test_fixed_label2(self):
      with testing_utils.tempdir() as tmpdir:
          testing_utils.train_model(
              {
                  "task": "integration_tests",
                  "model": "ir_baseline",
                  "batchsize": 1,
                  "datatype": "train:ordered",
                  "num_epochs": 1,
                  "model_file": os.path.join(tmpdir, "model"),
              }
          )
          cand = os.path.join(tmpdir, "cands.txt")
          BuildCandidates.main(task="integration_tests", outfile=cand)
          valid, test = testing_utils.eval_model(
              {
                  "task": "integration_tests",
                  "model": "ir_baseline",
                  "model_file": os.path.join(tmpdir, "model"),
                  "label_candidates_file": os.path.join(
                      tmpdir, "cands.txt"
                  ),
              }
          )
          assert valid["f1"] == 1.0
          assert test["f1"] == 1.0
          assert valid["accuracy"] == 0.0
          assert test["accuracy"] == 0.0
  
file_path: ParlAI/tests/test_ir_baseline.py
imports: import os
  import unittest
  import parlai.utils.testing
  from parlai.scripts.build_candidates import BuildCandidates
label_desc: Use image node_id 4 for calling the TestIrBaseline obj's underlying member method code with example usage: obj.test_fixed_label2() without return types