solved problems with tests
solved problems with tests

nebur395/UrlShortener,nebur395/UrlShortener,Belberus/UrlShortener,Belberus/UrlShortener,anicacortes/UrlShortener,anicacortes/UrlShortener,Belberus/UrlShortener,anicacortes/UrlShortener,nebur395/UrlShortener