@Test
public void noReplacementForXdmValue() {

    XdmValue initial = new XdmAtomicValue(BigDecimal.ZERO);
    HashMap<QName, ParameterValue> parameters = new HashMap<>();
    QName qn = new QName("source");
    parameters.put(qn, new ParameterValue(qn,"src/main/xsl", factory.XS_STRING));
    Object ret = ParametersMerger.processParametersReplacement(initial, parameters);
    assertTrue(ret instanceof XdmValue);
    assertEquals(((XdmValue)ret).toString(), "0");
}