class_docstr: Measures testing stats.
code: def iter_tic(self):
      self.iter_timer.tic()
  
imports: from collections import deque
  import numpy
  import pycls.core.logging
  import torch
  from pycls.core.config import cfg
  from pycls.core.timer import Timer
label_desc: Use image node_id 3 for calling the TestMeter obj's underlying member method code with example usage: obj.iter_tic() without return types