class_docstr: Test ``qml.qjit`` with Catalyst's grad operations
class_docstr_tok: ["Test","``","qml.qjit","``","with","Catalyst","'s","grad","operations"]
docstr: Test the Jacobian transformation with 'fd'.
docstr_tok: ["Test","the","Jacobian","transformation","with","'fd","'","."]
code: def test_jacobian_fd(self):
      """Test the Jacobian transformation with 'fd'."""
      dev = qml.device("lightning.qubit", wires=1)
  
      def workflow(x):
          @qml.qnode(dev)
          def circuit(x):
              qml.RX(np.pi * x[0], wires=0)
              qml.RY(x[1], wires=0)
              return qml.probs()
  
          g = qml.jacobian(circuit, method="fd", h=0.3)
          return g(x)
  
      result = qml.qjit(workflow)(np.array([2.0, 1.0]))
      reference = np.array(
          [[-0.37120096, -0.45467246], [0.37120096, 0.45467246]]
      )
      assert jnp.allclose(result, reference)
  
      with pytest.raises(
          ValueError,
          match="Invalid values for 'method=fd' and 'h=0.3' in interpreted mode",
      ):
          workflow(np.array([2.0, 1.0]))
  
imports: from unittest.mock import patch
  import pytest
  import pennylane
  from pennylane.compiler.compiler import CompileError
  from pennylane import numpy
  from jax import numpy
  from jax.core import ShapedArray
label_desc: Use image node_id 7 for calling the TestCatalystGrad obj's underlying member method code with example usage: obj.test_jacobian_fd() and returns: g, qml