[MAILERS] to 'Head ot Organisation Winner' - Rspec fix
[MAILERS] to 'Head ot Organisation Winner' - Rspec fix

[Trello Story](https://trello.com/c/Ri9idR5H/637-qae-support-new-email-to-head-of-organisation-of-the-successful-business-categories-winners)

bitzesty/qae,bitzesty/qae,bitzesty/qae,bitzesty/qae