test(core,import): rebalance database coverage

apps/desktop/main/worker/import/tempDb.test.ts

@@ -13,13 +13,3 @@ test('空字符串内容在写库归一化前后应生成同一个去重 key', (
 
   assert.equal(keyAfterPersist, keyBeforePersist)
 })
-
-test('同秒同发送者但等长不同内容应生成不同去重 key', () => {
-  const timestamp = 1710000000
-  const senderPlatformId = 'user-1'
-
-  const firstKey = generateMessageKey(timestamp, senderPlatformId, '你好啊')
-  const secondKey = generateMessageKey(timestamp, senderPlatformId, '再见呀')
-
-  assert.notEqual(firstKey, secondKey)
-})