Disable PeerConnectionEndToEndTest.CreateDataChannelAfterNegotiate under MSan

This test is flaky on MSan bots.

BUG=3980
TBR=jiayl@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/31889004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@7591 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/talk/app/webrtc/peerconnectionendtoend_unittest.cc b/talk/app/webrtc/peerconnectionendtoend_unittest.cc
index 4db3fe3..d743182 100644
--- a/talk/app/webrtc/peerconnectionendtoend_unittest.cc
+++ b/talk/app/webrtc/peerconnectionendtoend_unittest.cc
@@ -320,7 +320,14 @@
 
 // Verifies that a DataChannel created after the negotiation can transition to
 // "OPEN" and transfer data.
-TEST_F(PeerConnectionEndToEndTest, CreateDataChannelAfterNegotiate) {
+#if defined(MEMORY_SANITIZER)
+// Fails under MemorySanitizer:
+// See https://code.google.com/p/webrtc/issues/detail?id=3980.
+#define MAYBE_CreateDataChannelAfterNegotiate DISABLED_CreateDataChannelAfterNegotiate
+#else
+#define MAYBE_CreateDataChannelAfterNegotiate CreateDataChannelAfterNegotiate
+#endif
+TEST_F(PeerConnectionEndToEndTest, MAYBE_CreateDataChannelAfterNegotiate) {
   MAYBE_SKIP_TEST(rtc::SSLStreamAdapter::HaveDtlsSrtp);
 
   CreatePcs();