public void DeletePartnerAsyncShouldDeletePartnerCorrectly() { var options = new DbContextOptionsBuilder <IntillegioContext>() .UseInMemoryDatabase(databaseName: "Delete_Partner_Db") .Options; var dbContext = new IntillegioContext(options); var service = new PartnersService(dbContext, null, null); var partner = new Partner(); dbContext.Partners.Add(partner); dbContext.SaveChanges(); var partnerId = dbContext.Partners.LastOrDefault().Id; service.DeletePartnerAsync(partnerId); Assert.True(dbContext .Partners .Any(a => a.Id == partnerId) == false); }