public TnResultSetHandlerFactory assistResultSetHandlerFactory() {
        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public RelationOptionalFactory assistRelationOptionalFactory() {
        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public SqlAnalyzerFactory assistSqlAnalyzerFactory() {
        // TODO Auto-generated method stub

        assertNull(result);
    }

    // Test assistRelationOptionalFactory
    @Test
    public void test_assistRelationOptionalFactory() {
        RelationOptionalFactory result = invokerAssistant.assistRelationOptionalFactory();
        assertNull(result);
    }

    // Test assistSqlAnalyzerFactory
    @Test