}

    @Test
    public void test_wrapQuery_emptyString() {
        assertEquals("**", service.callWrapQuery(""));
    }

    @Test
    public void test_wrapQuery_singleWildcard() {
        assertEquals("*", service.callWrapQuery("*"));
    }

    @Test
    public void test_wrapQuery_withSpaces() {
        assertEquals("*test query*", service.callWrapQuery("test query"));
    }