insert claims2g;

        GroupMember itgmU = new GroupMember(GroupId = itg.id, UserorGroupId = ituser.id);
        GroupMember claimsgmU = new GroupMember(GroupId = claimsg.id, UserorGroupId = claimsuser.id);
        GroupMember opsgmU = new GroupMember(GroupId = opsg.id, UserorGroupId = opsuser.id);
        //Nested Group memberships
        GroupMember claimsgmG = new GroupMember(GroupId = claimsg.id, UserorGroupId = claims2g.id);
        GroupMember claimsgmGU = new GroupMember(GroupId = claims2g.id, UserorGroupId = claims2user.id);

        insert itgmU;
        insert claimsgmU;
        insert opsgmU;
        insert claimsgmG;
        insert claimsgmGU;

        test.startTest();

        // Create a System Release record to relate all System Changes to.
        System_Release__c sr1 = new System_Rele