How many tagged VLANs can be assigned to a user-role on Aruba HPE Switch?

How many tagged VLANs can be assigned to a user-role on Aruba HPE Switch?

As of today, Aruba HPE switch only allows one tagged VLAN to be configured in a user-role. This was tested on a 2930F switch running latest version WC.16.06.0006. 

Aruba-2930F-24G-PoEP-4SF(user-role)# show version

Image stamp:    /ws/swbuildm/rel_washington_qaoff/code/build/lvm(swbuildm_rel_washington_qaoff_rel_washington)
                Jun 22 2018 12:55:58
                WC.16.06.0006
                607
Boot Image:     Secondary

Boot ROM Version:    WC.16.01.0004
Active Boot ROM:     Primary

Aruba-2930F-24G-PoEP-4SF(config)# aaa authorization user-role enable
Aruba-2930F-24G-PoEP-4SF(config)# aaa authorization user-role name Test
Aruba-2930F-24G-PoEP-4SF(user-role)# vlan-id
Aruba-2930F-24G-PoEP-4SF(user-role)# vlan-id-tagged
Aruba-2930F-24G-PoEP-4SF(user-role)# vlan-id-tagged 20        
<cr>
Aruba-2930F-24G-PoEP-4SF(user-role)# vlan-id-tagged 20,30   --> Tried configuring more than one tagged vlan in different format.
Invalid input: 20,30
Aruba-2930F-24G-PoEP-4SF(user-role)# vlan-id-tagged 30
Aruba-2930F-24G-PoEP-4SF(user-role)# vlan-id-tagged 20

Aruba-2930F-24G-PoEP-4SF(user-role)# show user-role Test

User Role Information

   Name                              : Test
   Type                              : local
   Reauthentication Period (seconds) : 0
   Logoff Period (seconds)           : 300
   Untagged VLAN                     :
   Tagged VLAN                       : 20
   Captive Portal Profile            :
   Policy                            :
   Tunnelednode Server Redirect      : Disabled
   Secondary Role Name               :