assertTrue("Expected at least 15ms sleep, got " + elapsed + "ms", elapsed >= 15);
        // Generous tolerance for CI environments like GitHub Actions
        assertTrue("Expected less than 200ms sleep, got " + elapsed + "ms", elapsed < 200);
    }

    public void test_waitForNext_withZeroInterval() {
        configHelper.setReloadInterval(0L);

        long startTime = System.currentTimeMillis();

    private HandleInfo testHandle;

    @BeforeEach
    public void setUp() {
        MockitoAnnotations.openMocks(this);
        reconnector = new HandleReconnector(mockManager, 2, 50); // 2 retries, 50ms delay

        HandleGuid guid = new HandleGuid();
        byte[] fileId = new byte[16];
        for (int i = 0; i < 16; i++) {
            fileId[i] = (byte) (i + 1);
        }