Using different factory girl techniques to build specific factories

nested_factories.rb

FactoryGirl.define do
  factory :contact do
    name 'Nigel Weiner'
    factory :admin_contact do
      admin true
    end
  end
end

traits.rb

FactoryGirl.define do
  factory :contact do
    trait :admin do
      admin true
      name { "Admin #{name}" }
    end
    name 'Nigel Weiner'

    factory :admin_contact do
      admin
    end
  end
end