cs-freshness-test: Add test case for ContentStore and Data freshness

Refs: #1383

Change-Id: I69bf06dbb42b39ea8929bbd87a08d6f2723caeb7
diff --git a/test_cs_freshness/NDNTrafficServer.conf b/test_cs_freshness/NDNTrafficServer.conf
new file mode 100644
index 0000000..f902ebb
--- /dev/null
+++ b/test_cs_freshness/NDNTrafficServer.conf
@@ -0,0 +1,5 @@
+##########
+Name=ndn:/test-caching
+Content=AAAAAAAA
+FreshnessPeriod=2800
+##########