Adding IceConfig option to assume TURN/TURN candidate pairs will work.

webrtc/p2p/base/tcpport_unittest.cc

Index: webrtc/p2p/base/tcpport_unittest.cc
diff --git a/webrtc/p2p/base/tcpport_unittest.cc b/webrtc/p2p/base/tcpport_unittest.cc
index e33dd433a7dd8e09e61ebc5bab214e3672e30b2c..3d57f6de81308f0706d942d59d88f3bab38c14d1 100644
--- a/webrtc/p2p/base/tcpport_unittest.cc
+++ b/webrtc/p2p/base/tcpport_unittest.cc
@@ -81,7 +81,7 @@ TEST_F(TCPPortTest, TestTCPPortWithLocalhostAddress) {
   rport->PrepareAddress();
   // Start to listen to new socket creation event.
   ConnectSignalSocketCreated();
-  Connection* conn =
-      lport->CreateConnection(rport->Candidates()[0], Port::ORIGIN_MESSAGE);
+  Connection* conn = lport->CreateConnection(
+      rport->Candidates()[0], Port::ORIGIN_MESSAGE, cricket::IceConfig());
   EXPECT_TRUE_WAIT(conn->connected(), kTimeout);
 }