static AbstractEventLoopEntry acquireEntry(DefaultEventLoopScheduler s,
                                               @Nullable Endpoint endpoint) {
        final ReleasableHolder<EventLoop> acquired;
        if (endpoint != null) {
            acquired = s.acquire(SessionProtocol.HTTP, endpoint, endpoint);
        } else {
            acquired = s.acquire(SessionProtocol.HTTP, EndpointGroup.of(), null);
        }
        assertThat(acquired).isInstanceOf(AbstractEventLoopEntry.class);
        return (AbstractEventLoopEntry) acquired;
    }
Makes sure different endpoints get different entries.
core/src/test/java/com/linecorp/armeria/client/DefaultEventLoopSchedulerTest.java