class_docstr: Test that @qfunc_transform seamlessly integrates
  with an operator transform.
docstr: Test a qfunc and operator transform applied to
  an op
docstr_tok: ["Test","a","qfunc","and","operator","transform","applied","to","an","op"]
code: def test_instantiated_operator(self):
      """Test a qfunc and operator transform applied to
      an op"""
      dev = qml.device("default.qubit", wires=2)
      assert simplify_rotation.is_qfunc_transform
  
      weights = np.array([0.5, 0, 0])
      op = qml.Rot(*weights, wires=0)
      res = simplify_rotation(op)
      assert res.name == "RZ"
  
      @qml.qnode(dev)
      def circuit():
          simplify_rotation(op)
          qml.CNOT(wires=[0, 1])
          return qml.expval(qml.PauliX(1))
  
      circuit()
      ops = circuit.tape.operations
      assert len(ops) == 2
      assert ops[0].name == "RZ"
      assert ops[1].name == "CNOT"
  
imports: import pytest
  import pennylane
  from pennylane import numpy
  from pennylane.transforms.op_transforms import OperationTransformError
label_desc: Use image node_id 1 for calling the TestQFuncTransformIntegration obj's underlying member method code with example usage: obj.test_instantiated_operator() and returns: qml