code: def testForLoopWithNets(self):
      self.ForLoopTest(self.cnt_net_)
      self.ForLoopTest([self.cnt_net_, self.idle_net_])
  
imports: from caffe2.python import control, core, test_util, workspace
  import logging
label_desc: Use image node_id 6 for calling the TestControl obj's underlying member method code with example usage: obj.testForLoopWithNets() without return types