public IdentityDomainServiceTests()
 {
     var(service, _, _) = CreateService();
     this.service       = service;
     service.AddDomain(new Protos.Identity.AddDomainRequest
     {
         Id                  = domainId.ToString(),
         PayUserId           = cjd.Id.ToString(),
         PayUserAssignmentId = Guid.NewGuid().ToString(),
     }, TestContext).Wait();
 }