class_docstr: Test that all operations in the ``supports_broadcasting`` attribute
  actually support broadcasting.
docstr: Test that MultiRZ, which is marked as supporting parameter broadcasting,
  actually does support broadcasting.
docstr_tok: ["Test","that","MultiRZ",",","which","is","marked","as","supporting","parameter","broadcasting",",","actually","does","support","broadcasting","."]
code: def test_multi_rz(self, wires):
      """Test that MultiRZ, which is marked as supporting parameter broadcasting,
      actually does support broadcasting."""
      par = np.array([0.25, 2.1, -0.42])
  
      op = qml.MultiRZ(par, wires=wires)
  
      mat1 = op.matrix()
      mat2 = qml.MultiRZ.compute_matrix(par, num_wires=len(wires))
      single_mats = [qml.MultiRZ(p, wires=wires).matrix() for p in par]
  
      assert qml.math.allclose(mat1, single_mats)
      assert qml.math.allclose(mat2, single_mats)
  
imports: import itertools
  import pytest
  import numpy
  from scipy.stats import unitary_group
  import pennylane
  from pennylane.ops.qubit.attributes import Attribute, has_unitary_generator
  from pennylane.operation import AnyWires
label_desc: Use image node_id 12 for calling the TestSupportsBroadcasting obj's underlying member method code with example usage: obj.test_multi_rz(wires) without return types