style(rubocop): fix all safe auto correctable offenses

spec/factories/domain_factory.rb

@@ -35,16 +35,14 @@
 #
 
 FactoryBot.define do
-
   factory :domain do
-    association :owner, :factory => :user
+    association :owner, factory: :user
     sequence(:name) { |n| "example#{n}.com" }
-    verification_method { 'DNS' }
+    verification_method { "DNS" }
     verified_at { Time.now }
   end
 
-  factory :organization_domain, :parent => :domain do
-    association :owner, :factory => :organization
+  factory :organization_domain, parent: :domain do
+    association :owner, factory: :organization
   end
-
 end