fixing the unit test failure.

AnkiDroid/src/main/java/com/ichi2/widget/DeckPickerWidgetConfig.kt

@@ -19,17 +19,18 @@ package com.ichi2.widget
 import android.appwidget.AppWidgetManager
 import android.content.BroadcastReceiver
 import android.content.Context
+import android.content.ContextWrapper
 import android.content.Intent
 import android.content.IntentFilter
 import android.os.Bundle
 import android.view.View
 import android.widget.Button
-import androidx.fragment.app.FragmentActivity
 import androidx.lifecycle.lifecycleScope
 import androidx.recyclerview.widget.ItemTouchHelper
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
 import com.google.android.material.floatingactionbutton.FloatingActionButton
+import com.ichi2.anki.AnkiActivity
 import com.ichi2.anki.R
 import com.ichi2.anki.dialogs.DeckSelectionDialog
 import com.ichi2.anki.dialogs.DeckSelectionDialog.DeckSelectionListener
@@ -46,14 +47,18 @@ import timber.log.Timber
  * User can Select up to 5 decks.
  * User Can remove, reorder decks and reconfigure by holding the widget .
  */
-class DeckPickerWidgetConfig : FragmentActivity(), DeckSelectionListener {
+class DeckPickerWidgetConfig : AnkiActivity(), DeckSelectionListener {
 
     private var appWidgetId = AppWidgetManager.INVALID_APPWIDGET_ID
     lateinit var deckAdapter: WidgetConfigScreenAdapter
     private lateinit var deckPickerWidgetPreferences: WidgetPreferences
     private val MAX_DECKS_ALLOWED = 5 // Maximum number of decks allowed in the widget
 
     override fun onCreate(savedInstanceState: Bundle?) {
+        if (showedActivityFailedScreen(savedInstanceState)) {
+            return
+        }
+
         super.onCreate(savedInstanceState)
         setContentView(R.layout.widget_deck_picker_config)
 
@@ -110,7 +115,7 @@ class DeckPickerWidgetConfig : FragmentActivity(), DeckSelectionListener {
 
     override fun onDestroy() {
         super.onDestroy()
-        unregisterReceiver(widgetRemovedReceiver)
+        unregisterReceiverSilently(widgetRemovedReceiver)
     }
 
     fun loadSavedPreferences() {
@@ -245,3 +250,24 @@ class DeckPickerWidgetConfig : FragmentActivity(), DeckSelectionListener {
         }
     }
 }
+
+/**
+ * Unregisters a broadcast receiver from the context silently.
+ *
+ * This extension function attempts to unregister a broadcast receiver from the context
+ * without throwing an exception if the receiver is not registered.
+ * It catches the `IllegalArgumentException` that is thrown when attempting to unregister
+ * a receiver that is not registered, allowing the operation to fail gracefully without crashing.
+ *
+ * @param receiver The broadcast receiver to be unregistered.
+ *
+ * @see ContextWrapper.unregisterReceiver
+ * @see IllegalArgumentException
+ */
+fun ContextWrapper.unregisterReceiverSilently(receiver: BroadcastReceiver) {
+    try {
+        unregisterReceiver(receiver)
+    } catch (e: IllegalArgumentException) {
+        Timber.d(e, "unregisterReceiverSilently")
+    }
+}