public void created_course_is_assigned_to_correct_instructor()
        {
            //using (var Uow = new MOOCollab2UOW())
            using (var Uow = new TestDb())
            {
                //Arrange
                var courseRepo = new CourseRepository(Uow);
                var instructorRepo = new InstructorRepository(Uow);
                var testInstructor = instructorRepo.Find(1);

                courseRepo.Create(new Course
                {
                    OwnerId = 1,//course to instructor with Id of one
                    Title = "Test",
                    Resume = "Argh",//test text
                    Status = true
                });
                courseRepo.SaveChanges();
            }

            //using (var Uow = new MOOCollab2UOW())
            using (var Uow = new TestDb())
            {
                //Arrange
                var instructorRepo = new InstructorRepository(Uow);

                //Act
                var instructor = instructorRepo.FindAll()
                                .Include(i => i.Courses)
                                .FirstOrDefault(i => i.Id == 1);
                //assert  //Check if instructor has the new course
                Assert.IsNotNull(instructor.Courses.FirstOrDefault(c => c.Resume == "Argh"));
            }
        }