text: from plaster.tools.pipeline.pipeline import PipelineTask
  from plaster.tools.utils import utils
  from plaster.run.test_rf.test_rf_params import TestRFParams
  from plaster.run.test_rf.test_rf_worker import test_rf
  from plaster.run.sim.sim_result import SimResult
  from plaster.run.train_rf.train_rf_result import TrainRFResult
  from plaster.run.prep.prep_result import PrepResult
  
  
  class TestRFTask(PipelineTask):
      def start(self):
          test_rf_params = TestRFParams(**self.config.parameters)
  
          prep_result = PrepResult.load_from_folder(self.inputs.prep)
          sim_result = SimResult.load_from_folder(self.inputs.sim)
          train_rf_result = TrainRFResult.load_from_folder(self.inputs.train_rf)
  
          test_rf_result = test_rf(
              test_rf_params,
              prep_result,
              sim_result,
              train_rf_result,
              progress=self.progress,
              pipeline=self,
          )
  
          test_rf_result.save()
  