class_docstr: Test the label method on parametric ops
docstr: Test broadcasted label method with plain scalars.
code: def test_label_method_broadcasted(
      self, op, label1, label2, label3, label4
  ):
      """Test broadcasted label method with plain scalars."""
  
      assert op.label() == label1
      assert op.label(decimals=2) == label2
      assert op.label(decimals=0) == label3
  
      op = qml.adjoint(op)
      assert op.label(decimals=0) == label4
  
imports: import copy
  from functools import reduce
  import pytest
  import numpy
  from gate_data import TSHIFT, TCLOCK
  from pennylane import numpy
  import pennylane
  from pennylane.wires import Wires
label_desc: Use image node_id 2 for calling the TestLabel obj's underlying member method code with example usage: obj.test_label_method_broadcasted(op, label1, label2, label3, label4) without return types