@Override
    public void onEvent(Event event) {
        if (EnvUtil.getStandaloneMode()) {
            return;
        }
        if (event instanceof ClientEvent.ClientVerifyFailedEvent) {
            syncToVerifyFailedServer((ClientEvent.ClientVerifyFailedEvent) event);
        } else {
            syncToAllServer((ClientEvent) event);
        }
    }
@Test
    void testOnClientVerifyFailedEventSuccess() {
        distroClientDataProcessor.onEvent(new ClientEvent.ClientVerifyFailedEvent(CLIENT_ID, MOCK_TARGET_SERVER));
        verify(distroProtocol).syncToTarget(any(), eq(DataOperation.ADD), eq(MOCK_TARGET_SERVER), eq(0L));
        verify(distroProtocol, never()).sync(any(), any());
    }