code: def test_thresholded_relu_3(self, input, alpha, gc, dc, engine):
      X = TestThresholdedRelu.fix_input(input)
      op = core.CreateOperator(
          "ThresholdedRelu",
          ["X"],
          ["Y"],
          alpha=float(alpha),
          engine=engine,
      )
      self.assertGradientChecks(gc, op, [X], 0, [0])
  
file_path: pytorch/caffe2/python/operator_test/thresholded_relu_op_test.py
imports: from caffe2.python import core
  from hypothesis import given, settings
  import hypothesis.strategies
  import caffe2.python.hypothesis_test_util
  import caffe2.python.serialized_test.serialized_test_util
  import numpy
  import unittest
label_desc: Use image node_id 3 for calling the TestThresholdedRelu obj's underlying member method code with example usage: obj.test_thresholded_relu_3(input, alpha, gc, dc, engine) without return types