code: def export_right_unit8() -> None:
      node = onnx.helper.make_node(
          "BitShift",
          inputs=["x", "y"],
          outputs=["z"],
          direction="RIGHT",
      )
  
      x = np.array([16, 4, 1]).astype(np.uint8)
      y = np.array([1, 2, 3]).astype(np.uint8)
      z = x >> y  # expected output [8, 1, 0]
      expect(
          node,
          inputs=[x, y],
          outputs=[z],
          name="test_bitshift_right_uint8",
      )
  
file_path: onnx/onnx/backend/test/case/node/bitshift.py
imports: import numpy
  import onnx
  from onnx.backend.test.case.base import Base
  from onnx.backend.test.case.node import expect
label_desc: Use image node_id 1 for calling the BitShift obj's underlying member method code with example usage: obj.export_right_unit8() without return types