@Override
    public void close() {
        close(DEFAULT_CLOSE_DURATION);
    }
@Test
    public void shouldCloseWithoutBeingUsed() {
        SharedTopicAdmin sharedAdmin = new SharedTopicAdmin(EMPTY_CONFIG, factory);

        // When closed before being used
        sharedAdmin.close();
        // Then should not create or close admin
        verifyTopicAdminCreatesAndCloses(0);
    }