public void GetAllOblastTest()
        {
            var oblastList = new List <Oblast>
            {
                new Oblast {
                    Id = 1, Name = "Test"
                }
            };
            var repository = new Mock <IOblastRepository>();

            repository.Setup(r => r.GetAllOblasts()).Returns(oblastList);
            var oblastController = new OblastController(repository.Object);
            var oblast           = oblastController.GetAllOblasts();

            Assert.IsAssignableFrom <IEnumerable <Oblast> >(oblast);
        }