MatchPhrasePrefixQueryBuilder mpqb = (MatchPhrasePrefixQueryBuilder) builder;
        assertEquals(10.0f, mpqb.boost());
    }

    @Test
    public void test_convertPrefixQuery_withNegativeImportantContentBoost() throws Exception {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        ComponentUtil.setFessConfig(new FessConfig.SimpleImpl() {