diff --git a/test/test_helper.rb b/test/test_helper.rb
index 164bb24a5..852307354 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -3,6 +3,7 @@
 require "rails"
 require "rails/test_help"
 require "byebug"
+require "open_struct"
 
 require_relative "test_app/config/environment"