public async Task TestAddUserToDomain() { // Then add cjy into the domain await service.AddUserToDomain(new Protos.Identity.AddUserToDomainRequest { UserId = cjy.Id.ToString(), DomainId = domainId.ToString(), UserDomainAssignmentId = Guid.NewGuid().ToString(), }, TestContext); var domain = db.Domains.Find(domainId); Assert.Equal(new[] { cjd.Id, cjy.Id }.ToList(), domain.Users.Select(x => x.User.Id)); Assert.Single(cjy.Domains.Where(x => x.Domain.Id == domainId)); }