[TestMethod] //PSUJ to change Success public async Task testAllStudentsAsync() { var options = new DbContextOptionsBuilder <ApplicationDbContext>() .UseInMemoryDatabase(databaseName: "testAllStudentsAsync") .Options; studentsList.Add(student1); studentsList.Add(student2); studentsList.Add(student3); using (var context = new ApplicationDbContext(options)) { context.Students.Add(student1); context.Students.Add(student2); context.Students.Add(student3); context.SaveChanges(); }; using (var context = new ApplicationDbContext(options)) { var service = new ListController(context); var result = await service.AllStudentsAsync(); Assert.AreEqual(studentsList.Count(), result.Count()); } }