code: def test_init(self):
      interpolation = TASK_UTILS.build(self.cfg)
      assert interpolation.min_num_frames == 5
      assert interpolation.max_num_frames == 20
      assert interpolation.use_gsi
      assert interpolation.smooth_tau == 10
  
file_path: mmdetection/tests/test_models/test_task_modules/test_track/test_interpolation.py
imports: from unittest import TestCase
  import numpy
  from mmengine.registry import init_default_scope
  from mmdet.registry import TASK_UTILS
label_desc: Use image node_id 2 for calling the TestInterpolateTracklets obj's underlying member method code with example usage: obj.test_init() without return types