code: def generate_parameters(self, parameter_id):
      return "unit-test-parm"
  
file_path: nni/ts/nni_manager/test/core/dummy_tuner.py
imports: from nni.tuner import Tuner
label_desc: Use image node_id 1 for calling the DummyTuner obj's underlying member method code with example usage: obj.generate_parameters(parameter_id) and returns: str