code: def export_populate_off_main_diagonal() -> None:
      shape = (4, 5)
      off_diagonal_offset = 1
      node = onnx.helper.make_node(
          "EyeLike",
          inputs=["x"],
          outputs=["y"],
          k=off_diagonal_offset,
          dtype=onnx.TensorProto.FLOAT,
      )
  
      x = np.random.randint(0, 100, size=shape, dtype=np.int32)
      y = np.eye(
          shape[0], shape[1], k=off_diagonal_offset, dtype=np.float32
      )
      expect(
          node,
          inputs=[x],
          outputs=[y],
          name="test_eyelike_populate_off_main_diagonal",
      )
  
file_path: onnx/onnx/backend/test/case/node/eyelike.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 3 for calling the EyeLike obj's underlying member method code with example usage: obj.export_populate_off_main_diagonal() without return types