Use make_unique where appropriate

Change-Id: I30c9f0fb2033a810df73a1c9147fcf09d610f763
Refs: #3093
diff --git a/tests/daemon/table/cs-policy-priority-fifo.t.cpp b/tests/daemon/table/cs-policy-priority-fifo.t.cpp
index e88f8d5..8fd1746 100644
--- a/tests/daemon/table/cs-policy-priority-fifo.t.cpp
+++ b/tests/daemon/table/cs-policy-priority-fifo.t.cpp
@@ -41,7 +41,7 @@
 BOOST_FIXTURE_TEST_CASE(EvictOne, UnitTestTimeFixture)
 {
   Cs cs(3);
-  cs.setPolicy(unique_ptr<Policy>(new PriorityFifoPolicy()));
+  cs.setPolicy(make_unique<PriorityFifoPolicy>());
 
   shared_ptr<Data> dataA = makeData("ndn:/A");
   dataA->setFreshnessPeriod(time::milliseconds(99999));
@@ -94,7 +94,7 @@
 BOOST_FIXTURE_TEST_CASE(Refresh, UnitTestTimeFixture)
 {
   Cs cs(3);
-  cs.setPolicy(unique_ptr<Policy>(new PriorityFifoPolicy()));
+  cs.setPolicy(make_unique<PriorityFifoPolicy>());
 
   shared_ptr<Data> dataA = makeData("ndn:/A");
   dataA->setFreshnessPeriod(time::milliseconds(99999));