diff --git a/test/models/site_test.rb b/test/models/site_test.rb
index c50bfd2..c894932 100644
--- a/test/models/site_test.rb
+++ b/test/models/site_test.rb
@@ -108,5 +108,10 @@ class SiteTest < ActiveSupport::TestCase
 
     assert_equal %w[book editorial post], site.data['layouts'].keys
     assert_equal %i[book editorial post], site.layouts.to_h.keys
+
+  test 'se pueden encolar una sola vez' do
+    assert site.enqueue!
+    assert site.enqueued?
+    assert_not site.enqueue!
   end
 end