code: def test_process(self):
      timer = TimerMetric((torchbearer.metrics.timer.ON_FORWARD,))
      timer.time_dict = {
          torchbearer.metrics.timer.ON_FORWARD: 1,
          "test": 2,
      }
      self.assertTrue(
          timer.process({})[torchbearer.metrics.timer.ON_FORWARD] == 1
      )
  
file_path: torchbearer/tests/metrics/test_timer.py
imports: from unittest import TestCase
  from mock import Mock, MagicMock, patch
  import torchbearer
  from torchbearer.metrics.timer import TimerMetric, _TimerMetric
label_desc: Use image node_id 3 for calling the TestTimer obj's underlying member method code with example usage: obj.test_process() without return types