@Test
public void falseNeedAppearance() {

    PDAcroForm mergeThis = new PDAcroForm(new PDDocument());
    mergeThis.setNeedAppearances(false);
    PDAcroForm intoThis = new PDAcroForm(new PDDocument());
    intoThis.setNeedAppearances(true);
    AcroFormUtils.mergeDefaults(mergeThis, intoThis);
    assertTrue(intoThis.isNeedAppearances());
}