class_docstr: Assume that when we init, we init w/ num of episodes + rounds as opts.
class_docstr_tok: ["Assume","that","when","we","init",",","we","init","w\/","num","of","episodes","+","rounds","as","opts","."]
code: def get_id_task_prefix(self):
      return "Test"
  
imports: import parlai.core.tod.tod_agents
  import parlai.core.tod.tod_core
  import os
label_desc: Use image node_id 3 for calling the TestDataParser obj's underlying member method code with example usage: obj.get_id_task_prefix() and returns: str