[GCM] Disable leaky tests

google_apis/gcm/engine/mcs_client_unittest.cc

Index: google_apis/gcm/engine/mcs_client_unittest.cc
diff --git a/google_apis/gcm/engine/mcs_client_unittest.cc b/google_apis/gcm/engine/mcs_client_unittest.cc
index 7ba590487dc8cfc36fa04b66d8ee7802a528810f..587edfaeae5fb49742a4721fdce65111e6e6b02d 100644
--- a/google_apis/gcm/engine/mcs_client_unittest.cc
+++ b/google_apis/gcm/engine/mcs_client_unittest.cc
@@ -294,7 +294,15 @@ TEST_F(MCSClientTest, SendMessageNoRMQ) {
 
 // Send a message without RMQ support while disconnected. Message send should
 // fail immediately, invoking callback.
-TEST_F(MCSClientTest, SendMessageNoRMQWhileDisconnected) {
+// Fails on linux_asan crbug.com/337560
+#if !defined(OS_POSIX)
+#define MAYBE_SendMessageNoRMQWhileDisconnected \
+    SendMessageNoRMQWhileDisconnected
+#else
+#define MAYBE_SendMessageNoRMQWhileDisconnected \
+    DISABLED_SendMessageNoRMQWhileDisconnected
+#endif
+TEST_F(MCSClientTest, MAYBE_SendMessageNoRMQWhileDisconnected) {
   BuildMCSClient();
   InitializeClient();