docstr: Test that the spectra of a circuit is calculated correctly
  in the jax interface.
docstr_tok: ["Test","that","the","spectra","of","a","circuit","is","calculated","correctly","in","the","jax","interface","."]
code: def test_integration_jax(self):
      """Test that the spectra of a circuit is calculated correctly
      in the jax interface."""
      import jax
  
      x = jax.numpy.array([1.0, 2.0, 3.0])
      w = [[-1.0, -2.0, -3.0], [-4.0, -5.0, -6.0]]
  
      dev = qml.device("default.qubit", wires=3)
      qnode = qml.QNode(circuit9, dev)
  
      res = qnode_spectrum(qnode, argnum=0)(x, w)
  
      assert res
      assert res == expected_result
  
imports: from collections import OrderedDict
  import numpy
  import pytest
  import pennylane
  from pennylane import numpy
  from pennylane.fourier.qnode_spectrum import _process_ids, qnode_spectrum
  from pennylane.measurements import SampleMP, StateMP, VarianceMP
label_desc: Use image node_id 1 for calling the TestJax obj's underlying member method code with example usage: obj.test_integration_jax() without return types