@Test
    void acquisitionStartIndexIsRandomUnderEventLoopSize() {
        final List<Integer> startIndices = new ArrayList<>();
        for (int i = 0; i < 30; i++) {
            final DefaultEventLoopScheduler s =
                    // Create DefaultEventLoopScheduler with the default maxNumEventLoops values.
                    new DefaultEventLoopScheduler(group, 0, 0, ImmutableList.of());
            startIndices.add(s.acquisitionStartIndex(1));
        }
        assertThat(startIndices).contains(0, 1, 2);
        assertThat(startIndices).doesNotContain(3);
    }
Makes sure different endpoints get different entries.
core/src/test/java/com/linecorp/armeria/client/DefaultEventLoopSchedulerTest.java