### Question:
TraceeClientHandlerResolver implements HandlerResolver { @Override public final List<Handler> getHandlerChain(PortInfo portInfo) { return handlerList; } TraceeClientHandlerResolver();   TraceeClientHandlerResolver(TraceeBackend backend); @Override final List<Handler> getHandlerChain(PortInfo portInfo);  }### Answer:
@Test public void testGetHandlerChain() throws Exception { final Matcher<Iterable<? super TraceeClientHandler>> matcher = hasItem(any(TraceeClientHandler.class)); assertThat(unit.getHandlerChain(portInfo), matcher); }