commit 1dc3030678f79764d7e16496da44f5bcf01899f1
Author: Kouhei Sutou <kou@clear-code.com>
Date:   Thu Jul 21 23:59:41 2011 +0900

    support JRuby. fixes #29326
    
    Reported by Hans de Graaff. Thanks!!!

diff --git a/lib/test/unit/assertions.rb b/lib/test/unit/assertions.rb
index 762444b..df8c53b 100644
--- a/lib/test/unit/assertions.rb
+++ b/lib/test/unit/assertions.rb
@@ -116,7 +116,7 @@ EOT
           failure.inspected_expected = AssertionMessage.convert(expected)
           failure.inspected_actual = AssertionMessage.convert(actual)
           failure.user_message = message
-          raise
+          raise failure # For JRuby. :<
         end
       end