Fix linter

app/models/carto/user.rb

@@ -38,7 +38,7 @@ class Carto::User < ActiveRecord::Base
   belongs_to :rate_limit
   has_one :owned_organization, class_name: Carto::Organization, inverse_of: :owner, foreign_key: :owner_id
   has_one :static_notifications, class_name: Carto::UserNotification, inverse_of: :user
-  has_many :email_notifications, class_name: Carto::UserEmailNotification, inverse_of: :user, dependent: :destroy
+  has_many :email_notifications, class_name: 'Carto::UserEmailNotification', inverse_of: :user, dependent: :destroy
 
   has_many :self_feature_flags_user, dependent: :destroy, foreign_key: :user_id, inverse_of: :user, class_name: Carto::FeatureFlagsUser
   has_many :self_feature_flags, through: :self_feature_flags_user, source: :feature_flag

spec/models/carto/user_spec.rb

@@ -102,7 +102,7 @@ describe Carto::User do
     end
   end
 
-  describe "#is_email_notification_enabled" do
+  describe '#is_email_notification_enabled' do
     before(:all) do
       @carto_user = FactoryGirl.create(:carto_user)
     end

spec/requests/carto/api/email_notifications_controller_spec.rb

@@ -44,7 +44,8 @@ describe Carto::Api::EmailNotificationsController do
     end
 
     it 'successfully updates notifications' do
-      put_json(api_v3_email_notifications_update_url(auth_params), { notifications: { do_subscriptions: false } }) do |response|
+      params = { notifications: { do_subscriptions: false } }
+      put_json(api_v3_email_notifications_update_url(auth_params), params) do |response|
         response.status.should eq 204
       end
     end