Testing BSC subscriber core code.
Test BSC subscriber allocation and deletion
llist_count(&bsc_subscribers->bsub_list) == 0
llist_count(&bsc_subscribers->bsub_list) == 1
llist_count(&bsc_subscribers->bsub_list) == 1
llist_count(&bsc_subscribers->bsub_list) == 2
llist_count(&bsc_subscribers->bsub_list) == 3
llist_count(&bsc_subscribers->bsub_list) == 2
llist_count(&bsc_subscribers->bsub_list) == 1
llist_count(&bsc_subscribers->bsub_list) == 0
Done
