default Group will brodacst all SSIDs.
dO THIS.
1. Create APG1 and assign all SSID except test2 then assign 100 APs to this group
2. Create APG2 and assign only test2 ssid then add your 2 APs.
***No AP should be present in default group other that will broadcast all WLANs.
Regards
Dont forget to rate helfpul posts