// Resource goes out of scope without closing - potential leak
    }

    @Test
    @DisplayName("Test automatic cleanup of old resources")
    @Timeout(value = 5, unit = TimeUnit.SECONDS)
    void testAutomaticCleanup() throws InterruptedException {
        // Configure with very short max age for testing
        resourceManager.configure(100, 50, true, true);

        TestResource resource = new TestResource("old");