@Test
public void reconfigure() throws MalformedObjectNameException {

    JmxExecRequest req =
            new JmxRequestBuilder(EXEC,"test:type=exec")
                    .operation("op")
                    .build();
    store.configure(new HistoryKey(req), new HistoryLimit(2, 100L));
    store.configure(new HistoryKey(req), new HistoryLimit(2, 100L));
}