Moving ReorderWidgetsTest to an integration test instead of E2E

Flag: TEST_ONLY
Test: IntegrationReorderWidgetsTest
Bug: 324261526
Fix: 343761044

Change-Id: I9bfe8b587e1024260ddeeb48157c3d204f2d58f2
diff --git a/src/com/android/launcher3/ModelCallbacks.kt b/src/com/android/launcher3/ModelCallbacks.kt
index 13062b6..83c34ce 100644
--- a/src/com/android/launcher3/ModelCallbacks.kt
+++ b/src/com/android/launcher3/ModelCallbacks.kt
@@ -11,6 +11,8 @@
 import com.android.launcher3.WorkspaceLayoutManager.FIRST_SCREEN_ID
 import com.android.launcher3.allapps.AllAppsStore
 import com.android.launcher3.config.FeatureFlags
+import com.android.launcher3.debug.TestEvent
+import com.android.launcher3.debug.TestEventEmitter
 import com.android.launcher3.model.BgDataModel
 import com.android.launcher3.model.StringCache
 import com.android.launcher3.model.data.AppInfo
@@ -156,6 +158,7 @@
             /*pause=*/ false,
             deviceProfile.isTwoPanels
         )
+        TestEventEmitter.INSTANCE.get(launcher).sendEvent(TestEvent.WORKSPACE_FINISH_LOADING)
     }
 
     /**