Explicitly set confirmed_at for unconfirmed enterprise

spec/controllers/devise/confirmation_controller_spec.rb

@@ -3,7 +3,7 @@ require 'spec_helper'
 describe Devise::ConfirmationsController do
   context "after confirmation" do
     before do
-      e = create(:enterprise)
+      e = create(:enterprise, confirmed_at: nil)
       @request.env["devise.mapping"] = Devise.mappings[:enterprise]
       spree_get :show, confirmation_token: e.confirmation_token
     end