HM-48. Внедрена система тестирования jest (#17)

src/services/RouteService.js

@@ -1,5 +1,6 @@
 import EmitService from './EmitService';
-import {parse, stringify} from 'querystring';
+import {parse} from 'querystring';
+import {makeUrlWithQuery} from '../utils/urlUtils';
 
 /**
  * @function RouterListener
@@ -73,8 +74,7 @@ class RouteService extends EmitService {
      * // Это создаст строку в url - site.ru/users?key=testApi&author=Petrov
      */
     goTo = (url, query) => {
-        const stringQuery = stringify(query);
-        const urlWithQuery = url + (stringQuery ? `?${stringQuery}` : '');
+        const urlWithQuery = makeUrlWithQuery(url, query);
         this.history.pushState({}, '', urlWithQuery);
         this.generateNext();
     }