code: def test_reset(self):
      self._to_dict.reset("test")
      self._metric.reset.assert_called_once_with("test")
  
imports: import unittest
  import torch
  from mock import Mock, call
  from torch.autograd import Variable
  import torchbearer
  from torchbearer.metrics import Metric, BatchLambda, EpochLambda, ToDict
label_desc: Use image node_id 8 for calling the TestToDict obj's underlying member method code with example usage: obj.test_reset() without return types