face: allow the creation of permanent TCP faces

Change-Id: I516c176b000a78012f2ef7bd7f1f3e74c1758a94
Refs: #3167
diff --git a/tests/daemon/face/tcp-channel-fixture.hpp b/tests/daemon/face/tcp-channel-fixture.hpp
index 4f63035..798fedd 100644
--- a/tests/daemon/face/tcp-channel-fixture.hpp
+++ b/tests/daemon/face/tcp-channel-fixture.hpp
@@ -50,7 +50,7 @@
   connect(TcpChannel& channel) final
   {
     g_io.post([&] {
-      channel.connect(listenerEp, false,
+      channel.connect(listenerEp, ndn::nfd::FACE_PERSISTENCY_PERSISTENT, false,
         [this] (const shared_ptr<Face>& newFace) {
           BOOST_REQUIRE(newFace != nullptr);
           connectFaceClosedSignal(*newFace, [this] { limitedIo.afterOp(); });