API_KEY correct_api_key TRACKING_ID correct_tracking_id CLIENT_ID correct_client_id REVERSED_CLIENT_ID com.google.correct-reversed-client-id GOOGLE_APP_ID 1:123:ios:123abc GCM_SENDER_ID correct_gcm_sender_id PLIST_VERSION 1 BUNDLE_ID com.google.FirebaseSDKTests PROJECT_ID abc-xyz-123 DATABASE_URL https://abc-xyz-123.firebaseio.com STORAGE_BUCKET project-id-123.storage.firebase.com