Remove T6 Grief and Turned map selections

tests/unit/map-aliases.test.ts

@@ -3,12 +3,22 @@ import {
     parseServerName,
     selectedZombieMap,
     t5ZombieMapBySlug,
+    zombieMapBySlug,
     T5_ZOMBIE_MAPS,
     T6_ZOMBIE_MAPS
 } from '../../src/lib/server/fleet/map-aliases.js';
 import { serverTitle } from '../../src/lib/ui/server-labels.js';
 
 describe('T6 map identity', () => {
+    it.each([
+        ['towngrief', 'zm_transit'], ['farmgrief', 'zm_transit'], ['busdepotgrief', 'zm_transit'],
+        ['cellblock', 'zm_prison'], ['buriedgrief', 'zm_buried'], ['diner', 'zm_transit_dr'], ['buriedturned', 'zm_buried']
+    ])('excludes %s without falling back to a supported variant of the same engine map', (slug, canonical) => {
+        expect(zombieMapBySlug('t6', slug)).toBeUndefined();
+        expect(selectedZombieMap('t6', canonical, slug)).toBeUndefined();
+        expect(parseServerName(`t6_zombie_${slug}_1`)?.mapCanonical).toBeNull();
+    });
+
     it.each(T6_ZOMBIE_MAPS)('parses and labels $friendly without losing its variant', (map) => {
         const name = `t6_zombie_${map.slug}_2`;
         expect(parseServerName(name)).toMatchObject({ game: 't6', gameMode: 'zombie', mapCanonical: map.canonical, mapSlug: map.slug, lobby: 2 });