class_docstr: Tests Von Neumann entropy transform
docstr: Test entropy for a QNode that returns a state vector with all wires, entropy is 0.
docstr_tok: ["Test","entropy","for","a","QNode","that","returns","a","state","vector","with","all","wires",",","entropy","is","0","."]
code: def test_qnode_entropy_wires_full_range_state_vector(self):
      """Test entropy for a QNode that returns a state vector with all wires, entropy is 0."""
      param = 0.1
      dev = qml.device("default.qubit", wires=2)
  
      @qml.qnode(dev)
      def circuit_state(x):
          qml.IsingXX(x, wires=[0, 1])
          return qml.state()
  
      entropy = qml.qinfo.vn_entropy(circuit_state, wires=[0, 1])(param)
  
      expected_entropy = 0.0
      assert qml.math.allclose(entropy, expected_entropy)
  
imports: import pytest
  import pennylane
  from pennylane import numpy
label_desc: Use image node_id 13 for calling the TestVonNeumannEntropy obj's underlying member method code with example usage: obj.test_qnode_entropy_wires_full_range_state_vector() and returns: qml