public void test_assistDataSource() {
        DataSource result = invokerAssistant.assistDataSource();
        assertNull(result);
    }

    // Test assistDBMetaProvider
    public void test_assistDBMetaProvider() {
        DBMetaProvider result = invokerAssistant.assistDBMetaProvider();
        assertNull(result);
    }

    // Test assistSqlClauseCreator
    public void test_assistSqlClauseCreator() {