test(admin): match invite bulk row by class token, not exact attribute

The bulk row gained the shared aksrt-native-bulk class in 1273a013, so the
exact class="aksrt-inv-bulk" string match no longer held.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

tests/widget-system/invite-admin-contract.test.cjs

@@ -47,9 +47,11 @@ test('filters, selection, table and pagination share one list card', () => {
   const card = cards[0][0];
   assert.match(card, /aksrt-inv-list-card/);
   assert.match(card, /<h2 class="aksrt-native-card__title">邀请码列表<\/h2>/);
-  for (const marker of ['class="subsubsub"', 'class="aksrt-native-filters"', '清除筛选', 'class="aksrt-inv-bulk"', 'data-aksrt-inv-selection', 'aksrt-inv-table', 'class="tablenav bottom"']) {
+  for (const marker of ['class="subsubsub"', 'class="aksrt-native-filters"', '清除筛选', 'data-aksrt-inv-selection', 'aksrt-inv-table', 'class="tablenav bottom"']) {
     assert.ok(card.includes(marker), `${marker} belongs to the list card`);
   }
+  // 批量操作行同时带共享的 aksrt-native-bulk 类，按 class 列表中的词匹配，不要求整串相等。
+  assert.match(card, /class="[^"]*\baksrt-inv-bulk\b[^"]*"/, 'aksrt-inv-bulk belongs to the list card');
   assert.doesNotMatch(html, /aksrt-inv-filter-summary|关键词：/);
   assert.doesNotMatch(read('assets', 'css', 'admin', 'invite-codes.css'), /aksrt-inv-filter-summary/);
 });