diff --git a/tests/daemon/mgmt/face-manager-command-fixture.cpp b/tests/daemon/mgmt/face-manager-command-fixture.cpp
index ed90d0a..694870e 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) 2014-2019,  Regents of the University of California,
+ * Copyright (c) 2014-2022,  Regents of the University of California,
  *                           Arizona Board of Regents,
  *                           Colorado State University,
  *                           University Pierre & Marie Curie, Sorbonne University,
@@ -28,8 +28,7 @@
 
 #include <ndn-cxx/net/network-monitor-stub.hpp>
 
-namespace nfd {
-namespace tests {
+namespace nfd::tests {
 
 FaceManagerCommandNode::FaceManagerCommandNode(ndn::KeyChain& keyChain, uint16_t port)
   : face(getGlobalIoService(), keyChain, {true, true})
@@ -118,5 +117,4 @@
   advanceClocks(1_ms, 5);
 }
 
-} // namespace tests
-} // namespace nfd
+} // namespace nfd::tests