code: def test_reset(self):
      m = ConvergenceMonitor(tol=1e-3, n_iter=10, verbose=False)
      m.iter = 1
      m.history.append(-0.01)
      m._reset()
      assert m.iter == 0
      assert not m.history
  
imports: import numpy
  from numpy.testing import assert_allclose
  import pytest
  from scipy import special
  from hmmlearn.base import BaseHMM, ConvergenceMonitor
  from hmmlearn import _hmmc
label_desc: Use image node_id 3 for calling the TestMonitor obj's underlying member method code with example usage: obj.test_reset() without return types