This didn't work for me. Seems display is already taken in Machinist.

# in spec/support/blueprints.rb
Partner.blueprint do
   company_name
   display { true }
end

Rails Long Term Support

Rails LTS provides security patches for old versions of Ruby on Rails (2.3, 3.2, 4.2 and 5.2)

Machinist blueprints do not work with a column :display