face: replace isOnDemand with FacePersistency

Change-Id: Ie6995b2d03bbb90faad158de2b055f72dd9ba73d
Refs: #2989
diff --git a/tests/daemon/face/tcp.t.cpp b/tests/daemon/face/tcp.t.cpp
index dc788fc..2f85e37 100644
--- a/tests/daemon/face/tcp.t.cpp
+++ b/tests/daemon/face/tcp.t.cpp
@@ -275,8 +275,8 @@
   BOOST_REQUIRE(static_cast<bool>(face1));
   BOOST_REQUIRE(static_cast<bool>(face2));
 
-  BOOST_CHECK_EQUAL(face1->isOnDemand(), true);
-  BOOST_CHECK_EQUAL(face2->isOnDemand(), false);
+  BOOST_CHECK_EQUAL(face1->getPersistency(), ndn::nfd::FACE_PERSISTENCY_ON_DEMAND);
+  BOOST_CHECK_EQUAL(face2->getPersistency(), ndn::nfd::FACE_PERSISTENCY_PERSISTENT);
   BOOST_CHECK_EQUAL(face1->isMultiAccess(), false);
   BOOST_CHECK_EQUAL(face2->isMultiAccess(), false);