    @Test
    public void test_UrlBuilder() {

        String baseURL = "http://www.fakex.com/course";
        Map<String, String> queryParams = new HashMap<>();
        queryParams.put("search_query", "mobile linux");

        String expected = "http://www.fakex.com/course?search_query=mobile%20linux";
        String output = UrlUtil.buildUrlWithQueryParams(logger, baseURL, queryParams);
        assertEquals(expected, output);
    }