class_docstr: Test id and label.
class_docstr_tok: ["Test","id","and","label","."]
docstr: Tests that the id attribute can be set.
docstr_tok: ["Tests","that","the","id","attribute","can","be","set","."]
code: def test_id(self):
      """Tests that the id attribute can be set."""
      wires = [0, 1, 2]
      template = qml.CosineWindow(wires=wires, id="a")
      assert template.id == "a"
      assert template.wires == qml.wires.Wires(wires)
  
file_path: pennylane/tests/templates/test_state_preparations/test_cosine_window.py
imports: import pytest
  import numpy
  import pennylane
  from pennylane.wires import WireError
label_desc: Use image node_id 1 for calling the TestRepresentation obj's underlying member method code with example usage: obj.test_id() without return types