diff --git a/tests/unit-tests/util/dummy-client-face.t.cpp b/tests/unit-tests/util/dummy-client-face.t.cpp
index 2e7368d..809034d 100644
--- a/tests/unit-tests/util/dummy-client-face.t.cpp
+++ b/tests/unit-tests/util/dummy-client-face.t.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /**
- * Copyright (c) 2013-2016 Regents of the University of California.
+ * Copyright (c) 2013-2017 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -22,6 +22,7 @@
 #include "util/dummy-client-face.hpp"
 
 #include "boost-test.hpp"
+#include "../identity-management-time-fixture.hpp"
 
 namespace ndn {
 namespace util {
@@ -30,7 +31,7 @@
 BOOST_AUTO_TEST_SUITE(Util)
 BOOST_AUTO_TEST_SUITE(TestDummyClientFace)
 
-BOOST_AUTO_TEST_CASE(ProcessEventsOverride)
+BOOST_FIXTURE_TEST_CASE(ProcessEventsOverride, ndn::tests::IdentityManagementTimeFixture)
 {
   bool isOverrideInvoked = false;
   auto override = [&] (time::milliseconds timeout) {
@@ -38,7 +39,7 @@
     BOOST_CHECK_EQUAL(timeout, time::milliseconds(200));
   };
 
-  DummyClientFace face({false, false, override});
+  DummyClientFace face(io, {false, false, override});
   face.processEvents(time::milliseconds(200));
   BOOST_CHECK(isOverrideInvoked);
 }
diff --git a/tests/unit-tests/util/notification-stream.t.cpp b/tests/unit-tests/util/notification-stream.t.cpp
index 3697c41..faedec8 100644
--- a/tests/unit-tests/util/notification-stream.t.cpp
+++ b/tests/unit-tests/util/notification-stream.t.cpp
@@ -37,7 +37,7 @@
 namespace tests {
 
 BOOST_AUTO_TEST_SUITE(Util)
-BOOST_FIXTURE_TEST_SUITE(TestNotificationStream, ndn::tests::IdentityManagementV1TimeFixture)
+BOOST_FIXTURE_TEST_SUITE(TestNotificationStream, ndn::tests::IdentityManagementTimeFixture)
 
 BOOST_AUTO_TEST_CASE(Post)
 {
diff --git a/tests/unit-tests/util/notification-subscriber.t.cpp b/tests/unit-tests/util/notification-subscriber.t.cpp
index e7144e9..30924f3 100644
--- a/tests/unit-tests/util/notification-subscriber.t.cpp
+++ b/tests/unit-tests/util/notification-subscriber.t.cpp
@@ -39,7 +39,7 @@
 
 using namespace ndn::tests;
 
-class NotificationSubscriberFixture : public IdentityManagementV1TimeFixture
+class NotificationSubscriberFixture : public IdentityManagementTimeFixture
 {
 public:
   NotificationSubscriberFixture()
diff --git a/tests/unit-tests/util/segment-fetcher.t.cpp b/tests/unit-tests/util/segment-fetcher.t.cpp
index 6d9ea36..02ef85b 100644
--- a/tests/unit-tests/util/segment-fetcher.t.cpp
+++ b/tests/unit-tests/util/segment-fetcher.t.cpp
@@ -40,7 +40,7 @@
 BOOST_AUTO_TEST_SUITE(Util)
 BOOST_AUTO_TEST_SUITE(TestSegmentFetcher)
 
-class Fixture : public IdentityManagementV1TimeFixture
+class Fixture : public IdentityManagementTimeFixture
 {
 public:
   Fixture()