Chore: Fix failing sidekiq events for contact create (#966)

spec/services/notification/push_notification_service_spec.rb

@@ -14,19 +14,23 @@ describe Notification::PushNotificationService do
 
   describe '#perform' do
     it 'sends webpush notifications for webpush subscription' do
+      ENV['VAPID_PUBLIC_KEY'] = 'test'
       create(:notification_subscription, user: notification.user)
 
       described_class.new(notification: notification).perform
       expect(Webpush).to have_received(:payload_send)
       expect(FCM).not_to have_received(:new)
+      ENV['ENABLE_ACCOUNT_SIGNUP'] = nil
     end
 
     it 'sends a fcm notification for firebase subscription' do
+      ENV['FCM_SERVER_KEY'] = 'test'
       create(:notification_subscription, user: notification.user, subscription_type: 'fcm')
 
       described_class.new(notification: notification).perform
       expect(FCM).to have_received(:new)
       expect(Webpush).not_to have_received(:payload_send)
+      ENV['ENABLE_ACCOUNT_SIGNUP'] = nil
     end
   end
 end