converter.init();
        assertTrue(testConverter.isInitialized());
    }

    @Test
    public void testInitMultipleTimes() throws IOException {
        // Test multiple initialization calls
        converter.init();
        assertTrue(testConverter.isInitialized());

        // Call init again
        converter.init();
        assertTrue(testConverter.isInitialized());
        assertEquals(2, testConverter.getInitCount());

        return settingsIndexName;
    }

    /**
     * Checks if the settings are initialized.
     * @return True if initialized, false otherwise.
     */
    public boolean isInitialized() {
        return initialized;
    }

    private Map<String, Object> defaultSettings() {
        final Map<String, Object> defaultSettings = new HashMap<>();