diff --git a/test/parfait/test_all.rb b/test/parfait/test_all.rb
index a6ad7386..dec11f9f 100644
--- a/test/parfait/test_all.rb
+++ b/test/parfait/test_all.rb
@@ -5,4 +5,5 @@ require_relative "test_list"
 require_relative "test_word"
 require_relative "test_dictionary"
 require_relative "test_method"
+require_relative "test_class"
 require_relative "test_attributes"