code: def test_after_test_iter(self):
      hook = MemoryProfilerHook(2)
      runner = Mock()
      runner.logger = Mock()
      runner.logger.info = Mock()
      hook.after_test_iter(runner, 0)
      runner.logger.info.assert_not_called()
      hook.after_test_iter(runner, 1)
      runner.logger.info.assert_called_once()
  
file_path: mmdetection/tests/test_engine/test_hooks/test_memory_profiler_hook.py
imports: from unittest import TestCase
  from unittest.mock import Mock
  from mmdet.engine.hooks import MemoryProfilerHook
label_desc: Use image node_id 3 for calling the TestMemoryProfilerHook obj's underlying member method code with example usage: obj.test_after_test_iter() without return types