} else {
            // Cannot test due to reflection access limitations
            assertTrue("Cannot access DBFluteSystem fields via reflection", true);
        }
    }

    public void test_createFinalTimeZoneProvider_returnsValidProvider() {
        // When
        DfFinalTimeZoneProvider provider = curtainBeforeHook.createFinalTimeZoneProvider();

        // Then
        assertNotNull(provider);