face: replace EventEmitter usage with Signal

refs #2300

Change-Id: I17d0d65d2c474b17dd9f23f271a6144b0b4fbc07
diff --git a/tests/daemon/mgmt/status-server.cpp b/tests/daemon/mgmt/status-server.cpp
index bda69a4..553e3fd 100644
--- a/tests/daemon/mgmt/status-server.cpp
+++ b/tests/daemon/mgmt/status-server.cpp
@@ -50,7 +50,7 @@
   time::system_clock::TimePoint t1 = time::system_clock::now();
   Forwarder forwarder;
   shared_ptr<InternalFace> internalFace = make_shared<InternalFace>();
-  internalFace->onReceiveData += &interceptResponse;
+  internalFace->onReceiveData.connect(&interceptResponse);
   ndn::KeyChain keyChain;
   StatusServer statusServer(internalFace, ref(forwarder), keyChain);
   time::system_clock::TimePoint t2 = time::system_clock::now();