ok: Alice and Bob have distinct identity ids
ok: picker returns 3 cashiers (2 shop-bound + 1 any-shop), got 3
ok: Alice in list
ok: Bob in list
ok: Cathy (any-shop) in list
ok: unmapped register only shows any-shop cashiers
ok: verify Alice's id with shared PIN resolves to Alice, not Bob
ok: resolved identity's name is Alice's
ok: verify Bob's id with shared PIN resolves to Bob, not Alice
ok: resolved identity's name is Bob's
ok: wrong PIN for Alice fails
ok: deactivated Alice hidden from picker
ok: deactivated Alice no longer verifies even with correct PIN
DONE