mgmt: eliminate FaceManager::setConfigFile()

Change-Id: Ib39b05a969345448b3719047093577df31d2bf8a
Refs: #3904
diff --git a/tests/daemon/mgmt/face-manager-command-fixture.cpp b/tests/daemon/mgmt/face-manager-command-fixture.cpp
index 4053682..8fcb965 100644
--- a/tests/daemon/mgmt/face-manager-command-fixture.cpp
+++ b/tests/daemon/mgmt/face-manager-command-fixture.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2014-2017,  Regents of the University of California,
+ * Copyright (c) 2014-2018,  Regents of the University of California,
  *                           Arizona Board of Regents,
  *                           Colorado State University,
  *                           University Pierre & Marie Curie, Sorbonne University,
@@ -39,7 +39,7 @@
 {
   dispatcher.addTopPrefix("/localhost/nfd");
 
-  std::string config =
+  const std::string config =
     "face_system\n"
     "{\n"
     "  tcp\n"
@@ -70,7 +70,7 @@
     "\n";
 
   ConfigFile cf;
-  manager.setConfigFile(cf);
+  faceSystem.setConfigFile(cf);
   authenticator->setConfigFile(cf);
   cf.parse(config, false, "dummy-config");
 }
@@ -109,12 +109,12 @@
   : node1(m_keyChain, 16363)
   , node2(m_keyChain, 26363)
 {
-  advanceClocks(time::milliseconds(1), 5);
+  advanceClocks(1_ms, 5);
 }
 
 FaceManagerCommandFixture::~FaceManagerCommandFixture()
 {
-  advanceClocks(time::milliseconds(1), 5);
+  advanceClocks(1_ms, 5);
 }
 
 } // namespace tests