public void CanGetAll()
        {
            _testDatabase.RunAndRollback(dbContext =>
            {
                var student1 = new Student
                {
                    LastName = "Rambo"
                };

                var student2 = new Student
                {
                    LastName = "Cobretti"
                };

                dbContext.Students.Add(student1);
                dbContext.Students.Add(student2);
                dbContext.SaveChanges();

                var students = new StudentRepository(dbContext).GetAll();

                Assert.NotNull(students);
                Assert.Equal(2, students.Count());
            });
        }