code: def testRegressionSavedModel(self):
      parameters = {
          "savedModel": join(
              testdata.models_dir,
              "effnetdiscogs",
              "effnetdiscogs-bs64-1",
          ),
      }
      self.regression(parameters)
  
imports: from essentia_test import *
label_desc: Use image node_id 2 for calling the TestTensorFlowPredictEffnetDiscogs obj's underlying member method code with example usage: obj.testRegressionSavedModel() without return types