1 files changed, 5 insertions, 4 deletions
diff --git a/activesupport/lib/active_support/log_subscriber/test_helper.rb b/activesupport/lib/active_support/log_subscriber/test_helper.rb
index 6e1502989b..9d01dc85c0 100644
--- a/activesupport/lib/active_support/log_subscriber/test_helper.rb
+++ b/activesupport/lib/active_support/log_subscriber/test_helper.rb
@@ -61,11 +61,12 @@ module ActiveSupport
           @logged = Hash.new { |h,k| h[k] = [] }
         end
 
-        def debug
-        end
-
         def method_missing(level, message)
-          @logged[level] << message
+           if block_given?
+             @logged[level] << yield
+           else
+             @logged[level] << message
+           end
         end
 
         def logged(level)