docstr: Check the autograd interface with computational basis state counts and
  different shot vectors on a device with 4 wires
docstr_tok: ["Check","the","autograd","interface","with","computational","basis","state","counts","and","different","shot","vectors","on","a","device","with","4","wires"]
code: def test_counts_binned_4_wires(self, shot_vec, mocker):
      """Check the autograd interface with computational basis state counts and
      different shot vectors on a device with 4 wires"""
      dev = qml.device("default.qubit.legacy", wires=4, shots=shot_vec)
      spy = mocker.spy(qml.QubitDevice, "sample")
  
      @qml.qnode(dev, interface="autograd")
      def circuit():
          qml.PauliX(1)
          qml.PauliX(2)
          qml.PauliX(3)
          return qml.counts()
  
      res = circuit()
      basis_state = "0111"
  
      assert isinstance(res, tuple)
      assert res[0][basis_state] == shot_vec[0]
      assert res[1][basis_state] == shot_vec[1]
      assert res[2][basis_state] == shot_vec[2]
      assert len(res) == len(shot_vec)
      assert sum(sum(res_bin.values()) for res_bin in res) == sum(
          shot_vec
      )
  
      custom_measurement_process(dev, spy)
  
imports: import numpy
  import pytest
  import pennylane
  from pennylane.measurements import Counts
  from pennylane.operation import Operator
label_desc: Use image node_id 20 for calling the TestCountsIntegration obj's underlying member method code with example usage: obj.test_counts_binned_4_wires(shot_vec, mocker) and returns: qml