Change namespace of DummyClientFace, Signal, Segmenter, SegmentFetcher

refs #3940

Change-Id: Ia3c9b4adcca9ff79a14be705ca9da525914f3dff
diff --git a/tests/route/test-fib.cpp b/tests/route/test-fib.cpp
index 932b63a..7bbfccb 100644
--- a/tests/route/test-fib.cpp
+++ b/tests/route/test-fib.cpp
@@ -71,8 +71,8 @@
   ndn::Scheduler m_scheduler{m_io};
 
 public:
-  ndn::util::DummyClientFace face{m_io, m_keyChain, [] {
-    ndn::util::DummyClientFace::Options opts;
+  ndn::DummyClientFace face{m_io, m_keyChain, [] {
+    ndn::DummyClientFace::Options opts;
     opts.enableRegistrationReply = true;
     opts.registrationReplyFaceId = 128;
     return opts;
diff --git a/tests/route/test-hyperbolic-calculator.cpp b/tests/route/test-hyperbolic-calculator.cpp
index 18a7d21..10a401e 100644
--- a/tests/route/test-hyperbolic-calculator.cpp
+++ b/tests/route/test-hyperbolic-calculator.cpp
@@ -145,7 +145,7 @@
   }
 
 public:
-  ndn::util::DummyClientFace face;
+  ndn::DummyClientFace face;
   ConfParameter conf;
   Nlsr nlsr;
   Map map;
diff --git a/tests/route/test-link-state-calculator.cpp b/tests/route/test-link-state-calculator.cpp
index 397f779..0a4c522 100644
--- a/tests/route/test-link-state-calculator.cpp
+++ b/tests/route/test-link-state-calculator.cpp
@@ -95,7 +95,7 @@
   }
 
 public:
-  ndn::util::DummyClientFace face;
+  ndn::DummyClientFace face;
   ConfParameter conf;
   DummyConfFileProcessor confProcessor;
   Nlsr nlsr;
diff --git a/tests/route/test-name-prefix-table.cpp b/tests/route/test-name-prefix-table.cpp
index 1425603..839c874 100644
--- a/tests/route/test-name-prefix-table.cpp
+++ b/tests/route/test-name-prefix-table.cpp
@@ -53,7 +53,7 @@
   ndn::Scheduler m_scheduler{m_io};
 
 public:
-  ndn::util::DummyClientFace face{m_io, m_keyChain};
+  ndn::DummyClientFace face{m_io, m_keyChain};
   ConfParameter conf{face, m_keyChain};
   DummyConfFileProcessor confProcessor{conf};
 
diff --git a/tests/route/test-routing-table.cpp b/tests/route/test-routing-table.cpp
index 1e689a7..b777a04 100644
--- a/tests/route/test-routing-table.cpp
+++ b/tests/route/test-routing-table.cpp
@@ -35,7 +35,7 @@
   ndn::Scheduler m_scheduler{m_io};
 
 public:
-  ndn::util::DummyClientFace face{m_io, m_keyChain, {true, true}};
+  ndn::DummyClientFace face{m_io, m_keyChain, {true, true}};
   ConfParameter conf{face, m_keyChain};
   DummyConfFileProcessor confProcessor{conf};