class_docstr: Test accuracies of BST models in the zoo.
docstr: Test model trained single-task on BlendedSkillTalk.
code: def test_bst_single_task(self):
      """
      Test model trained single-task on BlendedSkillTalk.
      """
      valid, _ = testing_utils.eval_model(
          opt={
              **SHARED_OPTS,
              "model_file": f"zoo:blended_skill_talk/bst_single_task/model",
          },
          skip_test=True,
      )
      self.assertAlmostEqual(valid["accuracy"], 0.8906, delta=0.005)
  
file_path: ParlAI/tests/nightly/gpu/test_blended_skill_talk_gpu.py
imports: import unittest
  from parlai.utils import testing
label_desc: Use image node_id 1 for calling the TestBlendedSkillTalkModels obj's underlying member method code with example usage: obj.test_bst_single_task() without return types