code: def test_hf_energy_diff(
      symbols, geometry, alpha, charge, basis_name, e_ref
  ):
      r"""Test that hf_energy returns the correct energy with differentiable parameters."""
      mol = qchem.Molecule(
          symbols,
          geometry,
          alpha=alpha,
          charge=charge,
          basis_name=basis_name,
      )
      args = [geometry, alpha]
      e = qchem.hf_energy(mol)(*args)
  
      assert np.allclose(e, e_ref)
  
file_path: pennylane/tests/qchem/test_hartree_fock.py
imports: import pytest
  import pennylane
  from pennylane import numpy
  from pennylane import qchem
label_desc: Use image node_id 4 for calling a global function with example usage: test_hf_energy_diff(symbols, geometry, alpha, charge, basis_name, e_ref) without return types