複数の値が変わらんことを確認するRSpecのマッチャー
code:ruby
expect { accept_agreement }.to not_change(agreement, :street)
.and not_change(agreement, :apartment_number)
.and not_change(agreement, :postcode)
https://ptrela.pl/blogs/rspec-not_to-change-and-not_to-change-how-to-do-it
#rspec