@Test
public void testCallToSpecialServices() {

    String queryString = "blah";
    when(client.sendGetterRequest(SERVICE_URL + queryString)).thenReturn(Optional.of("{\"unknownRequest\":\"blah\"}"));
    JSONObject o = wilmaApplication.callGetService(queryString);
    verify(client, never()).sendSetterRequest(anyString());
    Assert.assertTrue("Wilma Special Service Call is wrong.", o != null);
}