Fixed tests due to addition of 'webshop' as source  #7560
Fixed tests due to addition of 'webshop' as source  #7560

The webshop is added as a selection field in source in sale channel.
So modified the channel source to webshop for websites.

sharoonthomas/nereid-webshop,openlabs/nereid-webshop,tarunbhardwaj/nereid-webshop,sharoonthomas/nereid-webshop,sharoonthomas/nereid-webshop,priyankarani/nereid-webshop,fulfilio/nereid-webshop,priyankarani/nereid-webshop,openlabs/nereid-webshop,fulfilio/nereid-webshop,tarunbhardwaj/nereid-webshop,tarunbhardwaj/nereid-webshop,fulfilio/nereid-webshop,openlabs/nereid-webshop,priyankarani/nereid-webshop