public async Task ReturnLectorsSubjectsByLessonTypeListViewModel()
        {
            var request = new GetLectorsSubjectsByLessonTypeQuery
            {
                LectorId     = 1,
                LessonTypeId = 1
            };

            var handler = new GetLectorsSubjectsByLessonTypeQueryHandler(Context);

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

            Assert.IsInstanceOf(typeof(LectorsSubjectsByLessonTypeListViewModel), result);
        }
        public async Task ReturnCorrectLectorsSubjectsAmount()
        {
            var request = new GetLectorsSubjectsByLessonTypeQuery
            {
                LectorId     = 1,
                LessonTypeId = 1
            };

            var handler = new GetLectorsSubjectsByLessonTypeQueryHandler(Context);

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

            Assert.AreEqual(result.LectorsSubjects.Count, 2);
        }