code: def export() -> None:
      node = onnx.helper.make_node(
          "Floor",
          inputs=["x"],
          outputs=["y"],
      )
  
      x = np.array([-1.5, 1.2, 2]).astype(np.float32)
      y = np.floor(x)  # expected output [-2., 1., 2.]
      expect(node, inputs=[x], outputs=[y], name="test_floor_example")
  
      x = np.random.randn(3, 4, 5).astype(np.float32)
      y = np.floor(x)
      expect(node, inputs=[x], outputs=[y], name="test_floor")
  
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 Floor obj's underlying member method code with example usage: obj.export() without return types