code: def test_insert_qnode():
      """Test that a QNode with the insert decorator gives a different result than one
      without."""
      dev = qml.device("default.mixed", wires=2)
  
      @partial(
          insert, op=qml.AmplitudeDamping, op_args=0.2, position="end"
      )
      @qml.qnode(dev)
      def f_noisy(w, x, y, z):
          qml.RX(w, wires=0)
          qml.RY(x, wires=1)
          qml.CNOT(wires=[0, 1])
          qml.RY(y, wires=0)
          qml.RX(z, wires=1)
          return qml.expval(qml.PauliZ(0) @ qml.PauliZ(1))
  
      @qml.qnode(dev)
      def f(w, x, y, z):
          qml.RX(w, wires=0)
          qml.RY(x, wires=1)
          qml.CNOT(wires=[0, 1])
          qml.RY(y, wires=0)
          qml.RX(z, wires=1)
          return qml.expval(qml.PauliZ(0) @ qml.PauliZ(1))
  
      args = [0.1, 0.2, 0.3, 0.4]
  
      assert not np.isclose(f_noisy(*args), f(*args))
  
imports: from functools import partial
  import numpy
  import pytest
  import pennylane
  from pennylane.measurements import Expectation
  from pennylane.tape import QuantumScript
  from pennylane.transforms.insert_ops import insert
label_desc: Use image node_id 1 for calling a global function with example usage: test_insert_qnode() and returns: qml, qml