public async void Get()
        {
            Mock <ILogger <TeacherRepository> > loggerMoc = TeacherRepositoryMoc.GetLoggerMoc();
            ApplicationDbContext context = TeacherRepositoryMoc.GetContext();
            var repository = new TeacherRepository(loggerMoc.Object, context);

            Teacher entity = new Teacher();

            context.Set <Teacher>().Add(entity);
            await context.SaveChangesAsync();

            var record = await repository.Get(entity.Id);

            record.Should().NotBeNull();
        }
        public async void Delete()
        {
            Mock <ILogger <TeacherRepository> > loggerMoc = TeacherRepositoryMoc.GetLoggerMoc();
            ApplicationDbContext context = TeacherRepositoryMoc.GetContext();
            var     repository           = new TeacherRepository(loggerMoc.Object, context);
            Teacher entity = new Teacher();

            context.Set <Teacher>().Add(entity);
            await context.SaveChangesAsync();

            await repository.Delete(entity.Id);

            Teacher modifiedRecord = await context.Set <Teacher>().FirstOrDefaultAsync();

            modifiedRecord.Should().BeNull();
        }
        public async void Update_Entity_Is_Not_Tracked()
        {
            Mock <ILogger <TeacherRepository> > loggerMoc = TeacherRepositoryMoc.GetLoggerMoc();
            ApplicationDbContext context = TeacherRepositoryMoc.GetContext();
            var     repository           = new TeacherRepository(loggerMoc.Object, context);
            Teacher entity = new Teacher();

            context.Set <Teacher>().Add(entity);
            await context.SaveChangesAsync();

            await repository.Update(new Teacher());

            var modifiedRecord = context.Set <Teacher>().FirstOrDefaultAsync();

            modifiedRecord.Should().NotBeNull();
        }