public async void CanGetAmenitiesFromDatabase() { DbContextOptions <AsyncInnDbContext> options = new DbContextOptionsBuilder <AsyncInnDbContext>() .UseInMemoryDatabase("CanGetAmenitiesFromDatabase") .Options; using AsyncInnDbContext context = new AsyncInnDbContext(options); AmenityManager service = new AmenityManager(context); _ = await service.CreateAmenity(new AmenityDto() { Name = "Test One" }); _ = await service.CreateAmenity(new AmenityDto() { Name = "Test Two" }); var amenitiesFromDb = context.Amenities.ToListAsync().Result; var dtos = await service.GetAmenities(); var expected = new List <string>(); var actual = new List <string>(); foreach (var item in amenitiesFromDb) { expected.Add(item.Name); } foreach (var item in dtos) { actual.Add(item.Name); } Assert.Equal(2, actual.Count); Assert.Equal(expected.Count, actual.Count); Assert.Equal(expected, actual); }