}

    @Test
    public void test_append_multipleEvents() {
        appender.append(createLogEvent(Level.ERROR, "org.codelibs.fess.a", "error 1"));
        appender.append(createLogEvent(Level.ERROR, "org.codelibs.fess.b", "error 2"));
        appender.append(createLogEvent(Level.ERROR, "org.codelibs.fess.c", "error 3"));

        QueryBuilder result = matchAllQueryCommand.execute(context, query, boost);

        assertNotNull(result);

        // Note: Actual log output verification would require a log appender mock
        // but we can at least ensure the method executes without errors
        logger.info("Execute method called with query: {} and boost: {}", query, boost);
    }

    @Test