diff --git a/tests/unit-tests/lp/packet.t.cpp b/tests/unit-tests/lp/packet.t.cpp
index 5f9b2d2..1583772 100644
--- a/tests/unit-tests/lp/packet.t.cpp
+++ b/tests/unit-tests/lp/packet.t.cpp
@@ -20,9 +20,11 @@
  */
 
 #include "lp/packet.hpp"
+#include "prefix-announcement.hpp"
 #include "security/signature-sha256-with-rsa.hpp"
 
 #include "boost-test.hpp"
+#include "identity-management-fixture.hpp"
 
 namespace ndn {
 namespace lp {
@@ -402,54 +404,6 @@
                                 encoded.begin(), encoded.end());
 }
 
-BOOST_AUTO_TEST_CASE(DecodePrefixAnnouncement)
-{
-  static const uint8_t inputBlock[] = {
-    0x64, 0x70, // LpPacket
-      0xfd, 0x03, 0x50, 0x3a, // PrefixAnnouncement
-        0x06, 0x38, // Data
-          0x07, 0x29, 0x08, 0x0d, 0x73, 0x65, 0x6c, 0x66, 0x2d, 0x6c,
-          0x65, 0x61, 0x72, 0x6e, 0x69, 0x6e, 0x67, 0x08, 0x03, 0x65,
-          0x64, 0x75, 0x08, 0x02, 0x75, 0x61, 0x08, 0x02, 0x63, 0x73,
-          0x08, 0x04, 0x6e, 0x65, 0x77, 0x73, 0x08, 0x05, 0xfd, 0x00,
-          0x03, 0xa5, 0xfe, 0x14, 0x00, 0x15, 0x00, 0x16, 0x05, 0x1b,
-          0x01, 0x01, 0x1c, 0x00, 0x17, 0x00,
-      0x50, 0x30, // Fragment
-        0x06, 0x2e,  // Data
-          0x07, 0x1f, 0x08, 0x03, 0x65, 0x64, 0x75, 0x08, 0x02, 0x75,
-          0x61, 0x08, 0x02, 0x63, 0x73, 0x08, 0x04, 0x6e, 0x65, 0x77,
-          0x73, 0x08, 0x0a, 0x69, 0x6e, 0x64, 0x65, 0x78, 0x2e, 0x68,
-          0x74, 0x6d, 0x6c, 0x14, 0x00, 0x15, 0x00, 0x16, 0x05, 0x1b,
-          0x01, 0x01, 0x1c, 0x00, 0x17, 0x00,
-  };
-
-  Data data1("/edu/ua/cs/news/index.html");
-  ndn::SignatureSha256WithRsa fakeSignature;
-  fakeSignature.setValue(ndn::encoding::makeEmptyBlock(ndn::tlv::SignatureValue));
-  data1.setSignature(fakeSignature);
-
-  Block wire;
-  wire = data1.wireEncode();
-  Packet packet;
-  BOOST_CHECK_NO_THROW(packet.wireDecode(wire));
-
-  Name name("/self-learning/edu/ua/cs/news");
-  name.appendVersion(239102);
-  Data data2(name);
-  fakeSignature.setValue(ndn::encoding::makeEmptyBlock(ndn::tlv::SignatureValue));
-  data2.setSignature(fakeSignature);
-  data2.wireEncode();
-
-  PrefixAnnouncement pa;
-  pa.setData(make_shared<Data>(data2));
-
-  BOOST_CHECK_NO_THROW(packet.add<PrefixAnnouncementField>(pa));
-  Block encoded;
-  BOOST_CHECK_NO_THROW(encoded = packet.wireEncode());
-  BOOST_CHECK_EQUAL_COLLECTIONS(inputBlock, inputBlock + sizeof(inputBlock),
-                                encoded.begin(), encoded.end());
-}
-
 BOOST_AUTO_TEST_CASE(DecodeUnrecognizedTlvType)
 {
   Packet packet;
@@ -457,6 +411,40 @@
   BOOST_CHECK_THROW(packet.wireDecode(wire), Packet::Error);
 }
 
+BOOST_FIXTURE_TEST_CASE(DecodePrefixAnnouncement, ndn::tests::IdentityManagementFixture)
+{
+  // Construct Data which prefix announcement is attached to
+  Data data0("/edu/ua/cs/news/index.html");
+  ndn::SignatureSha256WithRsa fakeSignature;
+  fakeSignature.setValue(ndn::encoding::makeEmptyBlock(ndn::tlv::SignatureValue));
+  data0.setSignature(fakeSignature);
+
+  Block wire;
+  wire = data0.wireEncode();
+  Packet packet0;
+  packet0.wireDecode(wire);
+
+  // Construct Prefix Announcement
+  PrefixAnnouncement pa;
+  pa.setAnnouncedName("/net/example");
+  pa.setExpiration(5_min);
+  pa.setValidityPeriod(security::ValidityPeriod(time::fromIsoString("20181030T000000"),
+                                                time::fromIsoString("20181124T235959")));
+  pa.toData(m_keyChain, signingWithSha256(), 1);
+  PrefixAnnouncementHeader pah0(pa);
+  BOOST_CHECK_NO_THROW(packet0.add<PrefixAnnouncementField>(pah0));
+  Block encoded;
+  BOOST_CHECK_NO_THROW(encoded = packet0.wireEncode());
+
+  // check decoding
+  Packet packet1;
+  BOOST_CHECK_NO_THROW(packet1.wireDecode(encoded));
+  BOOST_CHECK_EQUAL(true, packet1.has<PrefixAnnouncementField>());
+  PrefixAnnouncementHeader pah1;
+  BOOST_CHECK_NO_THROW(pah1 = packet1.get<PrefixAnnouncementField>());
+  BOOST_CHECK_EQUAL(pah1.getPrefixAnn()->getAnnouncedName(), "/net/example");
+}
+
 BOOST_AUTO_TEST_SUITE_END() // TestPacket
 BOOST_AUTO_TEST_SUITE_END() // Lp