From ff0c06f20aab1c11d64e8a145021dded86a975eb Mon Sep 17 00:00:00 2001
From: Zoey Chen <zoeychen@google.com>
Date: Wed, 9 Jun 2021 14:23:04 +0800
Subject: [PATCH] [Settings] Fix test failure of WFC group

Bug: 190569916
Test: atest NetworkProviderWifiCallingGroupTest
Change-Id: Ie520f3709eb0751150fdbda1f14e878ba21e22c4
---
 .../network/telephony/NetworkProviderWifiCallingGroup.java    | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/com/android/settings/network/telephony/NetworkProviderWifiCallingGroup.java b/src/com/android/settings/network/telephony/NetworkProviderWifiCallingGroup.java
index 3423ad8e3f6..b4ab2a0c535 100644
--- a/src/com/android/settings/network/telephony/NetworkProviderWifiCallingGroup.java
+++ b/src/com/android/settings/network/telephony/NetworkProviderWifiCallingGroup.java
@@ -47,6 +47,7 @@ import com.android.settings.network.ims.WifiCallingQueryImsState;
 import com.android.settingslib.core.AbstractPreferenceController;
 import com.android.settingslib.core.lifecycle.Lifecycle;
 
+import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -86,7 +87,8 @@ public class NetworkProviderWifiCallingGroup extends
     }
 
     private void setSubscriptionInfoList(Context context) {
-        mSubInfoListForWfc = SubscriptionUtil.getActiveSubscriptions(mSubscriptionManager);
+        mSubInfoListForWfc = new ArrayList<>(
+                SubscriptionUtil.getActiveSubscriptions(mSubscriptionManager));
         if (mSubInfoListForWfc != null) {
             mSubInfoListForWfc.removeIf(info -> {
                 final int subId = info.getSubscriptionId();