public void ViewUpShouldIncreaseTheViewsOfMod() { var options = new DbContextOptionsBuilder <ApplicationDbContext>() .UseInMemoryDatabase(databaseName: "ViewUpShouldIncreaseTheViewsOfMod_DB") .Options; var dbContext = new ApplicationDbContext(options); var modService = new ModService(dbContext); var mod = new Mod { Views = 10, }; dbContext.Mods.Add(mod); dbContext.SaveChanges(); modService.ViewUp(mod.Id); Assert.Equal(11, mod.Views); }