Request spec for client email security plus

[abunashir]

This commit will adds the request specs for email security plus, but this seems to be causing the same issue as we have with the client premium certificate, I assume it could be something with the client certificate or something. @ronaldtse could you please check this one as well and let me know if there is any update.

bin/rspec --tag api_call spec/requests/order_client_email_security_plus_spec.rb