Rails 4.2.5.1 + RSpecでundefined method cache エラーの対策

対策

更新する RSpec 3.4.1：

PSA: if you got stung by RSpec not working with rails 4.2.5.1 yesterday, I just released RSpec 3.4.1 which is compatible with it!

— Fatigue Elemental (@samphippen) January 26, 2016

または何らかの回避策を採ってください：

RSpec::Rails::ViewRendering::EmptyTemplatePathSetDecorator.class_eval do  
  alias_method :find_all_anywhere, :find_all
end

• https://github.com/rspec/rspec-rails/issues/1532
• https://github.com/rails/rails/issues/23244