docstr: Tests that the all_outcomes=True option for counts works when
  multiple measurements are performed
docstr_tok: ["Tests","that","the","all_outcomes=True","option","for","counts","works","when","multiple","measurements","are","performed"]
code: def test_all_outcomes_multiple_measurements(self):
      """Tests that the all_outcomes=True option for counts works when
      multiple measurements are performed"""
  
      dev = qml.device("default.qubit", wires=2, shots=10)
  
      @qml.qnode(dev)
      def circuit():
          return (
              qml.sample(qml.PauliZ(0)),
              qml.counts(),
              qml.counts(all_outcomes=True),
          )
  
      res = circuit()
  
      assert len(res[0]) == 10
      assert res[1] == {"00": 10}
      assert res[2] == {"00": 10, "01": 0, "10": 0, "11": 0}
  
imports: import copy
  import numpy
  import pytest
  import pennylane
  from pennylane.measurements import AllCounts, Counts, CountsMP
  from pennylane.wires import Wires
label_desc: Use image node_id 21 for calling the TestCountsIntegration obj's underlying member method code with example usage: obj.test_all_outcomes_multiple_measurements() and returns: qml,  qml,  qml