Test ensuring correct Activity is used for API

Add test to ensure correct Activity is for Notification opens
when device is running Android API 23 (Android 6) or newer.

Author: jkasten2

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

@@ -1130,6 +1130,21 @@ public void shouldSetButtonsCorrectly() throws Exception {
       assertEquals("id1", new JSONObject(json_data).optString(BUNDLE_KEY_ACTION_ID));
    }
 
+   @Test
+   @Config(sdk = 23, shadows = { ShadowGenerateNotification.class })
+   public void shouldUseCorrectActivityForAndroid23Plus() throws Exception {
+      NotificationBundleProcessor_ProcessFromFCMIntentService(blankActivity, getBaseNotifBundle());
+      threadAndTaskWait();
+
+      Intent[] intents = lastNotificationIntents();
+      assertEquals("android.intent.action.MAIN", intents[0].getAction());
+      assertEquals(
+         com.onesignal.NotificationOpenedReceiver.class.getName(),
+         intents[1].getComponent().getClassName()
+      );
+      assertEquals(2, intents.length);
+   }
+
    @Test
    @Config(shadows = { ShadowGenerateNotification.class })
    public void shouldSetContentIntentForLaunchURL() throws Exception {