@Test
@Category(SlowTest.class)
public void testBenzene() throws Exception {

    IAtomContainer molecule = TestMoleculeFactory.makeBenzene();
    addExplicitHydrogens(molecule);
    AtomContainerManipulator.percieveAtomTypesAndConfigureAtoms(molecule);
    lpcheck.saturate(molecule);
    StructureResonanceGenerator gRI = new StructureResonanceGenerator();
    IAtomContainerSet setOfMolecules = gRI.getStructures(molecule);
    Assert.assertEquals(2, setOfMolecules.getAtomContainerCount());
}