fix specs

app/services/emails/create_service.rb

 module Emails
-  class CreateService < BaseService
+  class CreateService < ::Emails::BaseService
     def execute(skip_authorization: false)
       raise Gitlab::Access::AccessDeniedError unless skip_authorization || can_manage_emails?

app/services/emails/destroy_service.rb

 module Emails
-  class DestroyService < BaseService
+  class DestroyService < ::Emails::BaseService
     def execute(skip_authorization: false)
       raise Gitlab::Access::AccessDeniedError unless skip_authorization || can_manage_emails?

lib/api/users.rb

@@ -276,7 +276,7 @@ module API
         email = user.emails.find_by(id: params[:email_id])
         not_found!('Email') unless email
-        Emails::DestroyService.new(current_user, self, email: email.email).execute
+        Emails::DestroyService.new(current_user, user, email: email.email).execute
         ::Users::UpdateService.new(current_user, user).execute do |user|
           user.update_secondary_emails!
@@ -510,7 +510,7 @@ module API
         email = current_user.emails.find_by(id: params[:email_id])
         not_found!('Email') unless email
-        Emails::DestroyService.new(current_user, self, email: email.email).execute
+        Emails::DestroyService.new(current_user, current_user, email: email.email).execute
         ::Users::UpdateService.new(current_user, current_user).execute  do |user|
           user.update_secondary_emails!