Change namespace of DummyClientFace, Signal, Segmenter

refs #3940

Change-Id: Id014e1487bfaceac96e97af51dcfd77c4964ef11
diff --git a/tests/test-partial-producer.cpp b/tests/test-partial-producer.cpp
index 3f2ab95..50d7386 100644
--- a/tests/test-partial-producer.cpp
+++ b/tests/test-partial-producer.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2014-2022,  The University of Memphis
+ * Copyright (c) 2014-2023,  The University of Memphis
  *
  * This file is part of PSync.
  * See AUTHORS.md for complete list of PSync authors and contributors.
@@ -27,12 +27,13 @@
 
 namespace psync {
 
-using namespace ndn;
+using ndn::Interest;
+using ndn::Name;
 
 class PartialProducerFixture : public tests::KeyChainFixture
 {
 protected:
-  util::DummyClientFace m_face{m_keyChain, {true, true}};
+  ndn::DummyClientFace m_face{m_keyChain, {true, true}};
 };
 
 BOOST_FIXTURE_TEST_SUITE(TestPartialProducer, PartialProducerFixture)
@@ -46,8 +47,8 @@
 
   BOOST_REQUIRE_EQUAL(m_face.sentInterests.size(), 1);
   auto interest = m_face.sentInterests.front();
-  BOOST_CHECK_EQUAL(interest.getName().at(3), name::Component("register"));
-  nfd::ControlParameters params(interest.getName().at(4).blockFromValue());
+  BOOST_CHECK_EQUAL(interest.getName().at(3), Name::Component("register"));
+  ndn::nfd::ControlParameters params(interest.getName().at(4).blockFromValue());
   BOOST_CHECK_EQUAL(params.getName(), syncPrefix);
 }