code: def test_builder_to_backend_stress(
      self, use_cpu_only, backend, dim, alpha
  ):
      shape_x = np.array([dim, dim])
      x_val = np.random.rand(*shape_x)
      input_placeholders = {"x": mb.placeholder(shape=x_val.shape)}
      input_values = {"x": x_val}
  
      def build(x):
          return [mb.thresholded_relu(x=x, alpha=alpha)]
  
      expected_outputs = [np.maximum(x_val - alpha, 0)]
      expected_output_types = [
          o.shape[:] + (types.fp32,) for o in expected_outputs
      ]
  
      run_compare_builder(
          build,
          input_placeholders,
          input_values,
          expected_output_types,
          expected_outputs=expected_outputs,
          use_cpu_only=use_cpu_only,
          backend=backend,
      )
  
imports: from scipy import special
  import scipy
  from coremltools.converters.mil import testing_reqs
  from coremltools.converters.mil.testing_reqs import *
  from .testing_utils import run_compare_builder
label_desc: Use image node_id 3 for calling the TestThresholdedReLU obj's underlying member method code with example usage: obj.test_builder_to_backend_stress(use_cpu_only, backend, dim, alpha) and returns: list