}

    // Test basic configuration properties
    @Test
    public void test_domainTitle() {
        assertEquals("Fess", fessConfig.getDomainTitle());
    }

    @Test
    public void test_searchEngineType() {
        assertEquals("default", fessConfig.getSearchEngineType());
    }

    @Test
    public void test_searchEngineHttpUrl() {

     * comment: The title of the domain for logging and display.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getDomainTitle();

    /**
     * Get the value for the key 'search_engine.type'. <br>
     * The value is, e.g. default <br>
     * comment: The type of search engine backend (e.g., default, opensearch).