1 files changed, 6 insertions, 1 deletions
diff --git a/test/testunit/tests_for_parallel/ptest_forth.rb b/test/testunit/tests_for_parallel/ptest_forth.rb
index c778a2ecc9..ad5a7f34ce 100644
--- a/test/testunit/tests_for_parallel/ptest_forth.rb
+++ b/test/testunit/tests_for_parallel/ptest_forth.rb
@@ -1,6 +1,8 @@
 require 'test/unit'
 
 class TestE < Test::Unit::TestCase
+  class UnknownError < RuntimeError; end
+
   def test_not_fail
     assert_equal(1,1)
   end
@@ -12,5 +14,8 @@ class TestE < Test::Unit::TestCase
   def test_always_fail
     assert_equal(0,1)
   end
-end
 
+  def test_unknown_error
+    raise UnknownError, "unknown error"
+  end
+end