Test Fix NotificationChannelManagerRunner.processChannelListWithMultiLanguage

* Add OneSignal.initWithContext to NotificationChannelManagerRunner.processChannelListWithMultiLanguage to allow languageContext to initialize before using languageContext.getLanguage

Author: tanaynigam

OneSignalSDK/unittest/src/test/java/com/test/onesignal/NotificationChannelManagerRunner.java

@@ -6,6 +6,7 @@
 import android.app.NotificationManager;
 import android.content.Context;
 
+import com.onesignal.OneSignal;
 import com.onesignal.ShadowOSUtils;
 import com.onesignal.ShadowOneSignal;
 import com.onesignal.ShadowRoboNotificationManager;
@@ -28,6 +29,7 @@
 
 import static com.onesignal.OneSignalPackagePrivateHelper.NotificationChannelManager_createNotificationChannel;
 import static com.onesignal.OneSignalPackagePrivateHelper.NotificationChannelManager_processChannelList;
+import static com.test.onesignal.TestHelpers.threadAndTaskWait;
 import static junit.framework.TestCase.assertTrue;
 import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;
@@ -208,6 +210,9 @@ public void processPayloadDeletingOldChannel() throws Exception {
    // Top level keys under no language key are considered the default language.
    @Test
    public void processChannelListWithMultiLanguage() throws Exception {
+      OneSignal.initWithContext(blankActivity);
+      threadAndTaskWait();
+
       JSONObject payload = createBasicChannelListPayload();
 
       JSONObject channelItem = (JSONObject)payload.optJSONArray("chnl_lst").get(0);