final String[] result = chatApiManager.parseExtraQueries(request);
        assertEquals(0, result.length);
    }

    @Test
    public void test_parseExtraQueries_singleQuery() {
        setupViewHelperWithFacetGroups(createFacetQueryView("filetype", "HTML", "filetype:HTML", "WORD", "filetype:WORD"));
        final MockHttpServletRequest request = new MockHttpServletRequest();