assertEquals("abc 123", fessXpathTransformer.removeCommentTag("abc<!-- fo\no -->123"));
        assertEquals("abc 123", fessXpathTransformer.removeCommentTag("abc<!--\n foo -->123"));
        assertEquals("abc 123", fessXpathTransformer.removeCommentTag("abc<!-- foo -->123"));
        assertEquals("abc 123 ", fessXpathTransformer.removeCommentTag("abc<!-- foo1 -->123<!-- foo2 -->"));

    }

    @Test
    public void test_getLongValue_double() {
        final Map<String, Object> map = Map.of("time", 123.45);
        assertEquals(123L, coordinatorHelper.getLongValue(map, "time"));
    }

    @Test
    public void test_getLongValue_notNumber() {
        final Map<String, Object> map = Map.of("time", "not_a_number");