class_docstr: Test the construction of composite ops.
class_docstr_tok: ["Test","the","construction","of","composite","ops","."]
docstr: Test that parameters are initialized correctly.
docstr_tok: ["Test","that","parameters","are","initialized","correctly","."]
code: def test_parameters(self):
      """Test that parameters are initialized correctly."""
      op = ValidOp(
          qml.RX(9.87, wires=0),
          qml.Rot(1.23, 4.0, 5.67, wires=1),
          qml.PauliX(0),
      )
      assert op.parameters == [9.87, 1.23, 4.0, 5.67]
  
imports: from copy import copy
  import numpy
  import pytest
  import pennylane
  from pennylane.operation import DecompositionUndefinedError
  from pennylane.ops.op_math import CompositeOp, Prod, Sum, SProd
  from pennylane.wires import Wires
label_desc: Use image node_id 5 for calling the TestConstruction obj's underlying member method code with example usage: obj.test_parameters() without return types