refactor: 复用持久设备工作线程 (#110)

client/test/test_settings_ui_event.py

@@ -513,6 +513,10 @@ class SettingsPageEventTest(unittest.TestCase):
         )
         page.deviceTableModel.set_checked_serial("USB-001")
         self._wait_until(lambda: page.eventBinder._pdd_check_thread is None)
+        changed_serials = []
+        page.eventBinder.androidDeviceConfigurationChanged.connect(
+            changed_serials.append
+        )
 
         page.saveButton.click()
         self.assertFalse(page.saveButton.isEnabled())
@@ -530,6 +534,7 @@ class SettingsPageEventTest(unittest.TestCase):
             "当前使用设备：USB-001（已保存）",
         )
         self.assertTrue(page.deleteButton.isEnabled())
+        self.assertEqual(changed_serials, ["USB-001"])
         page.eventBinder.shutdown()
         page.deleteLater()