ensl.org/spec/factories/group.rb

FactoryGirl.define do
  factory :group do
  	sequence(:id) { |n| n + 100 } # Preserve first 100
    sequence(:name) { |n| "Group#{n}" }
    association :founder, factory: :user
  end

  trait :admin do
  	name "Admins"
  	id Group::ADMINS
  end

  trait :champions do
  	name "Champions"
  	id Group::CHAMPIONS
  end

  trait :donors do
  	name "Donors"
  	id Group::DONORS
  end
end