これは古い質問ですが、管理者ユーザー (cancancan から) の例を次に示します。
User.create!([
{email: "testadmin@mvmanor.co.uk", password: "testadminuser", password_confirmation: "testadminuser", reset_password_token: nil, reset_password_sent_at: nil, remember_created_at: nil, sign_in_count: 1, current_sign_in_at: "2015-02-06 14:02:10", last_sign_in_at: "2015-02-06 14:02:10", current_sign_in_ip: "127.0.0.1", last_sign_in_ip: "127.0.0.1", admin: true},
{email: "testuser@mvmanor.co.uk", password: "testuseraccount", password_confirmation: "testuseraccount", reset_password_token: nil, reset_password_sent_at: nil, remember_created_at: nil, sign_in_count: 1, current_sign_in_at: "2015-02-06 14:03:01", last_sign_in_at: "2015-02-06 14:03:01", current_sign_in_ip: "127.0.0.1", last_sign_in_ip: "127.0.0.1", admin: false},
{email: "testcustomer@customer.co.uk", password: "testcustomeruser", password_confirmation: "testcustomeruser", reset_password_token: nil, reset_password_sent_at: nil, remember_created_at: nil, sign_in_count: 1, current_sign_in_at: "2015-02-06 14:03:44", last_sign_in_at: "2015-02-06 14:03:44", current_sign_in_ip: "127.0.0.1", last_sign_in_ip: "127.0.0.1", admin: false}
])