app.kluk.fr/spec/factories/user.rb

FactoryBot.define do
  factory :user do
    sequence(:email_address) { |n| "user#{n}@example.com" }
    sequence(:username) { |n| "user#{n}" }
    password { "obanonalors" }
    password_digest { BCrypt::Password.create(password) }
  end
end