Object result = client.execute(getConfig(pProvider), methodName, params);
assertEquals("abcabc", result);
result = client.execute(getExConfig(pProvider), methodName, params);
assertEquals("abcabc", result);
final Object[] nullParams = new Object[]{null};
result = client.execute(getExConfig(pProvider), methodName, nullParams);
assertEquals(null, result);
boolean ok = false;
try {
client.execute(getConfig(pProvider), methodName, nullParams);
} catch (XmlRpcExtensionException e) {