@Test
public void testGetIsotopes_IMolecularFormula_withoutONE() {

    IMolecularFormula molFor = MolecularFormulaManipulator.getMajorIsotopeMolecularFormula("C41H79N8O3P", builder);
    IsotopePatternGenerator isotopeGe = new IsotopePatternGenerator(.01);
    IsotopePattern isos = isotopeGe.getIsotopes(molFor);
    Assert.assertEquals(6, isos.getNumberOfIsotopes(), 0.001);
}