public async Task ReturnLectorsGroupsListViewModel()
        {
            var request = new GetLectorsGroupsQuery
            {
                LectorId = 1
            };

            var handler = new GetLectorsGroupsQueryHandler(Context);

            var result = await handler.Handle(request, CancellationToken.None);

            Assert.IsInstanceOf(typeof(LectorsGroupsListViewModel), result);
        }
        public async Task ReturnCorrectGroupsAmount()
        {
            var request = new GetLectorsGroupsQuery
            {
                LectorId = 1
            };

            var handler = new GetLectorsGroupsQueryHandler(Context);

            var result = await handler.Handle(request, CancellationToken.None);

            Assert.AreEqual(result.Groups.Count, 1);
        }