[Settings] Re-enable test case

Re-enable MobileNetworkActivityTest

Bug: 144664534
Test: make RunSettingsRoboTests -j ROBOTEST_FILTER=MobileNetworkActivityTest
Change-Id: I39f96f549b711a628d02d7b112964c851a43bd6f
diff --git a/tests/robotests/src/com/android/settings/network/telephony/MobileNetworkActivityTest.java b/tests/robotests/src/com/android/settings/network/telephony/MobileNetworkActivityTest.java
index bddc91f..c4f1948 100644
--- a/tests/robotests/src/com/android/settings/network/telephony/MobileNetworkActivityTest.java
+++ b/tests/robotests/src/com/android/settings/network/telephony/MobileNetworkActivityTest.java
@@ -42,7 +42,6 @@
 
 import org.junit.After;
 import org.junit.Before;
-import org.junit.Ignore;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.Mock;
@@ -122,7 +121,6 @@
     }
 
     @Test
-    @Ignore
     public void updateBottomNavigationViewV2_oneSubscription_shouldNotCrash() {
         mSubscriptionManager.setActiveSubscriptionInfos(mSubscriptionInfo1);
 
@@ -132,7 +130,6 @@
     }
 
     @Test
-    @Ignore
     public void updateBottomNavigationViewV2_twoSubscription_shouldNotCrash() {
         mSubscriptionManager.setActiveSubscriptionInfos(mSubscriptionInfo1, mSubscriptionInfo2);
 
@@ -142,7 +139,6 @@
     }
 
     @Test
-    @Ignore
     public void switchFragment_switchBetweenTwoSubscriptions() {
         mSubscriptionManager.setActiveSubscriptionInfos(mSubscriptionInfo1, mSubscriptionInfo2);
 
@@ -158,7 +154,6 @@
     }
 
     @Test
-    @Ignore
     public void switchFragment_subscriptionsUpdate_notifyByIntent() {
         mSubscriptionManager.setActiveSubscriptionInfos(mSubscriptionInfo1, mSubscriptionInfo2);
 
@@ -186,7 +181,6 @@
     }
 
     @Test
-    @Ignore
     public void onSaveInstanceState_saveCurrentSubId() {
         mSubscriptionManager.setActiveSubscriptionInfos(mSubscriptionInfo1, mSubscriptionInfo2);