code: def __init__(self, *args, **kwargs):
      super().__init__(*args, **kwargs)
      self.base_path = (
          Path(EvaDB_TEST_DATA_DIR) / "data" / "emotion_detector"
      )
  
file_path: evadb/test/integration_tests/long/functions/test_emotion_detector.py
imports: import unittest
  from pathlib import Path
  from test.util import EvaDB_TEST_DATA_DIR
  import pandas
  from evadb.models.storage.batch import Batch
  from evadb.utils.generic_utils import try_to_import_cv2
label_desc: Use image node_id 1 to create a new EmotionDetector object from inherited base classes: unittest with example: obj = EmotionDetector()