class_docstr: Tests for repulsion integrals
class_docstr_tok: ["Tests","for","repulsion","integrals"]
docstr: Test that repulsion_integral function returns a correct value for the repulsion
  integral.
docstr_tok: ["Test","that","repulsion_integral","function","returns","a","correct","value","for","the","repulsion","integral","."]
code: def test_repulsion_integral(
      self, symbols, geometry, alpha, coeff, e_ref
  ):
      r"""Test that repulsion_integral function returns a correct value for the repulsion
      integral."""
      mol = qchem.Molecule(symbols, geometry, alpha=alpha, coeff=coeff)
      basis_a = mol.basis_set[0]
      basis_b = mol.basis_set[1]
      args = [p for p in [alpha, coeff] if p.requires_grad]
  
      a = qchem.repulsion_integral(basis_a, basis_b, basis_a, basis_b)(
          *args
      )
  
      assert np.allclose(a, e_ref)
  
imports: import pytest
  import pennylane
  from pennylane import numpy
  from pennylane import qchem
label_desc: Use image node_id 1 for calling the TestRepulsion obj's underlying member method code with example usage: obj.test_repulsion_integral(symbols, geometry, alpha, coeff, e_ref) without return types