Moved from int id to guid

UserService.Test/UnitTest1.cs

@@ -26,7 +26,7 @@ namespace UserService.Test
             var mo = await db.UserMembers.ToListAsync().ConfigureAwait(false);
 
             var securityGroupsOfUser = user.GetSecurityGroups();
-            var usersOfSecurityGroup = secGroup.GetUsers();
+            var usersOfSecurityGroup = secGroup.GetAttachedMembers();
             //var testGroup = new SecurityGroup {CommonName = "Test", Parent = ous.Last()};
             //await db.SecurityGroups.AddAsync(testGroup);
             //var testgroup = await db.SecurityGroups.FindAsync(1);