Re-enable allmost all base tests.

BUG=3836
R=marpan@google.com

Review URL: https://webrtc-codereview.appspot.com/22989004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@7416 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/webrtc/base/nullsocketserver_unittest.cc b/webrtc/base/nullsocketserver_unittest.cc
index 6d3eb52..a39043d 100644
--- a/webrtc/base/nullsocketserver_unittest.cc
+++ b/webrtc/base/nullsocketserver_unittest.cc
@@ -28,7 +28,7 @@
   NullSocketServer ss_;
 };
 
-TEST_F(NullSocketServerTest, DISABLED_ON_MAC(WaitAndSet)) {
+TEST_F(NullSocketServerTest, WaitAndSet) {
   Thread thread;
   EXPECT_TRUE(thread.Start());
   thread.Post(this, 0);