**breaking change**: Switch Face and related classes to v2::KeyChain

security::v2::KeyChain is now exposed as ndn::KeyChain, which should
ensure that dependent code can be mostly compiled.  However, expect code
that explicitly uses the old KeyChain interface to be broken.

Change-Id: I7330d0250d92f3f0f2570ab6d0214ab3dfdd18cc
Refs: #3098
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)
 {