code: def _get_test_svm_regressor(kernel_type, kernel_params):
      X = make_tensor_value_info("X", TensorProto.FLOAT, [None, None])
      Y = make_tensor_value_info("Y", TensorProto.FLOAT, [None, None])
      node1 = make_node(
          "SVMRegressor",
          ["X"],
          ["Y"],
          domain="ai.onnx.ml",
          coefficients=[
              1.0,
              -1.0,
              0.8386201858520508,
              -0.8386201858520508,
              0.4470679759979248,
              -1.0,
              0.5529320240020752,
          ],
          kernel_params=kernel_params,
          kernel_type=kernel_type,
          n_supports=7,
          post_transform="NONE",
          rho=[0.5460880398750305],
          support_vectors=[
              -0.12850627303123474,
              0.08915442228317261,
              0.06881910562515259,
              -0.07938569784164429,
              -0.22557435929775238,
              -0.26520243287086487,
              0.9246066212654114,
              -0.025557516142725945,
              -0.5900523662567139,
              0.9735698699951172,
              -1.3385062217712402,
              0.3393094539642334,
              0.9432410001754761,
              -0.5228781700134277,
              0.5557093620300293,
              0.4191802740097046,
              0.43368014693260193,
              -1.0569839477539062,
              2.3318440914154053,
              0.06202844902873039,
              -0.9502395987510681,
          ],
      )
      graph = make_graph([node1], "ml", [X], [Y])
      onx = make_model_gen_version(graph, opset_imports=OPSETS)
      check_model(onx)
      return onx
  
imports: import unittest
  from functools import wraps
  from os import getenv
  import numpy
  from numpy.testing import assert_allclose
  from parameterized import parameterized
  from onnx import ONNX_ML, TensorProto, TypeProto, ValueInfoProto
  from onnx.checker import check_model
  from onnx.defs import onnx_opset_version
  from onnx.helper import make_graph, make_model_gen_version, make_node, make_opsetid, make_tensor, make_tensor_value_info
  from onnx.reference import ReferenceEvaluator
label_desc: Use image node_id 27 for calling the TestReferenceEvaluatorAiOnnxMl obj's underlying member method code with example usage: obj._get_test_svm_regressor(kernel_type, kernel_params) and returns: onx