public async Task Manufacturer_Repository_Should_Get_All_Async() { // Arrange var context = TestSetUpHelper.CreateDbContext(); var repository = new ManufacturerRepository(context); var expectedEntity = new Manufacturer() { Id = 4, Name = "TestName", }; await repository.AddAsync(expectedEntity); await context.SaveChangesAsync(); // Act var entities = await repository.GetAllAsync(); // Assert Assert.Single(entities.ToList()); }