* test/testunit: add skip messages.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31981 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/testunit/test4test_hideskip.rb

@@ -2,6 +2,6 @@ require 'test/unit'
 
 class TestForTestHideSkip < Test::Unit::TestCase
   def test_skip
-    skip
+    skip "do nothing"
   end
 end

test/testunit/tests_for_parallel/test_forth.rb

@@ -7,7 +7,7 @@ class TestE < TestCaseForParallelTest
   end
 
   def ptest_always_skip
-    skip
+    skip "always"
   end
 
   def ptest_always_fail