diff --git a/tests/unit/security/v2/additional-description.t.cpp b/tests/unit/security/v2/additional-description.t.cpp
index 2ed09f9..86a3a90 100644
--- a/tests/unit/security/v2/additional-description.t.cpp
+++ b/tests/unit/security/v2/additional-description.t.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2013-2018 Regents of the University of California.
+ * Copyright (c) 2013-2019 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
  *
@@ -44,7 +44,7 @@
         0x76, 0x61, 0x6c, 0x32, // "val2"
 };
 
-const std::string text = "((key1:val1), (key2:val2))";
+const std::string text = "[(key1:val1), (key2:val2)]";
 
 BOOST_AUTO_TEST_CASE(Basic)
 {
diff --git a/tests/unit/util/scheduler.t.cpp b/tests/unit/util/scheduler.t.cpp
index 3c13c70..d403a7c 100644
--- a/tests/unit/util/scheduler.t.cpp
+++ b/tests/unit/util/scheduler.t.cpp
@@ -222,23 +222,31 @@
   BOOST_CHECK(!eid);
 }
 
-BOOST_AUTO_TEST_CASE(Compare)
+BOOST_AUTO_TEST_CASE(Equality)
 {
   EventId eid, eid2;
-  BOOST_CHECK_EQUAL(eid == eid2, true);
-  BOOST_CHECK_EQUAL(eid != eid2, false);
+  BOOST_CHECK(eid == eid2);
 
   eid = scheduler.schedule(10_ms, []{});
-  BOOST_CHECK_EQUAL(eid == eid2, false);
-  BOOST_CHECK_EQUAL(eid != eid2, true);
-
-  eid2 = eid;
-  BOOST_CHECK_EQUAL(eid, eid2);
-  BOOST_CHECK_EQUAL(eid != eid2, false);
+  BOOST_CHECK(eid != eid2);
 
   eid2 = scheduler.schedule(10_ms, []{});
-  BOOST_CHECK_EQUAL(eid == eid2, false);
-  BOOST_CHECK_NE(eid, eid2);
+  BOOST_CHECK(eid != eid2);
+
+  eid.cancel();
+  BOOST_CHECK(eid != eid2);
+  BOOST_CHECK(eid == EventId{});
+
+  eid2.cancel();
+  BOOST_CHECK(eid == eid2);
+
+  eid = eid2 = scheduler.schedule(20_ms, []{});
+  BOOST_CHECK(eid == eid2);
+  BOOST_CHECK(eid != EventId{});
+
+  eid.cancel();
+  BOOST_CHECK(eid == eid2);
+  BOOST_CHECK(eid == EventId{});
 }
 
 BOOST_AUTO_TEST_CASE(Valid)
diff --git a/tests/unit/util/signal.t.cpp b/tests/unit/util/signal.t.cpp
index f0eb192..2c53336 100644
--- a/tests/unit/util/signal.t.cpp
+++ b/tests/unit/util/signal.t.cpp
@@ -444,6 +444,35 @@
   BOOST_CHECK_EQUAL(hit, 2); // handler called
 }
 
+BOOST_AUTO_TEST_CASE(ConnectionEquality)
+{
+  SignalOwner0 so;
+
+  Connection conn1, conn2;
+  BOOST_CHECK(conn1 == conn2);
+
+  conn1 = so.sig.connect([]{});
+  BOOST_CHECK(conn1 != conn2);
+
+  conn2 = so.sig.connect([]{});
+  BOOST_CHECK(conn1 != conn2);
+
+  conn1.disconnect();
+  BOOST_CHECK(conn1 != conn2);
+  BOOST_CHECK(conn1 == Connection{});
+
+  conn2.disconnect();
+  BOOST_CHECK(conn1 == conn2);
+
+  conn1 = conn2 = so.sig.connect([]{});
+  BOOST_CHECK(conn1 == conn2);
+  BOOST_CHECK(conn1 != Connection{});
+
+  conn1.disconnect();
+  BOOST_CHECK(conn1 == conn2);
+  BOOST_CHECK(conn1 == Connection{});
+}
+
 BOOST_AUTO_TEST_SUITE_END() // TestSignal
 BOOST_AUTO_TEST_SUITE_END() // Util