Decide by majority.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33233 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/ruby/test_thread.rb

@@ -237,13 +237,16 @@ class TestThread < Test::Unit::TestCase
     assert_equal(-1, t1.priority)
     assert_equal(-3, t2.priority)
     sleep 0.5
+
+    r1 = r2 = 0
     5.times do
-      break if c1 > c2
+      c1 > c2 ? r1+=1 : r2+=1
+      c1 = c2 = 0
       sleep 0.1
     end
     t1.kill
     t2.kill
-    assert_operator(c1, :>, c2, "[ruby-dev:33124]") # not guaranteed
+    assert_operator(r1, :>, r2, "[ruby-dev:33124]") # not guaranteed
   end
 
   def test_new