add more tests to models

spec/rails_helper.rb

@@ -8,6 +8,8 @@ require 'rspec/rails'
 require 'webmock/rspec'
 require 'paperclip/matchers'
 
+Dir[Rails.root.join('spec/support/**/*.rb')].each { |f| require f }
+
 ActiveRecord::Migration.maintain_test_schema!
 WebMock.disable_net_connect!(allow: 'localhost:7575')
 Sidekiq::Testing.inline!