1 files changed, 4 insertions, 0 deletions
diff --git a/railties/lib/generators/test_unit/observer/observer_generator.rb b/railties/lib/generators/test_unit/observer/observer_generator.rb
index adfd90a086..f4534840f3 100644
--- a/railties/lib/generators/test_unit/observer/observer_generator.rb
+++ b/railties/lib/generators/test_unit/observer/observer_generator.rb
@@ -1,6 +1,10 @@
 module TestUnit
   module Generators
     class ObserverGenerator < Base
+      def check_class_collisions
+        class_collisions class_name, "#{class_name}Test"
+      end
+
       def create_test_files
         template 'unit_test.rb',  File.join('test', 'unit', class_path, "#{file_name}_observer_test.rb")
       end