code: def testDoWhileLoopWithNet(self):
      self.DoWhileLoopTest(self.cnt_net_)
      self.DoWhileLoopTest([self.idle_net_, self.cnt_net_])
  
imports: from caffe2.python import control, core, test_util, workspace
  import logging
label_desc: Use image node_id 15 for calling the TestControl obj's underlying member method code with example usage: obj.testDoWhileLoopWithNet() without return types