CandlepinPersistFilter implements Filter { @Override public void init(FilterConfig arg0) throws ServletException { } @Inject  CandlepinPersistFilter(UnitOfWork unitOfWork); @Override void doFilter(ServletRequest request, ServletResponse response,
        FilterChain chain); @Override void init(FilterConfig arg0); @Override void destroy();  }
@Test public void filterInit() throws ServletException { FilterConfig fconfig = mock(FilterConfig.class); filter.init(fconfig); verifyNoMoreInteractions(fconfig); }