@Test
public void alreadySetQuadding() {

    PDAcroForm mergeThis = new PDAcroForm(new PDDocument());
    mergeThis.setQuadding(2);
    PDAcroForm intoThis = new PDAcroForm(new PDDocument());
    intoThis.setQuadding(1);
    AcroFormUtils.mergeDefaults(mergeThis, intoThis);
    assertEquals(1, intoThis.getQuadding());
}