public async Task Can_Delete_Customer() { //Arrange var testCustomer = new Customer() { Name = "İlk Bölüm" }; using (var context = new AppDbContext(_contextOptions)) { //Act var repository = new EfCoreRepository <Customer>(context); await repository.InsertAsync(testCustomer); await repository.DeleteAsync(testCustomer); //Assert var deletedCustomer = await repository.GetByIdAsync(testCustomer.Id); Assert.Null(deletedCustomer); } }