Fix install_all issue and failing test cases that fail after NRD becomes part of NFD.

Change-Id: Ic254244be99e289f43af86ecf6c82aad8460c538
Refs: #1641
diff --git a/test_interest_aggregation/test_interest_aggregation.py b/test_interest_aggregation/test_interest_aggregation.py
index d1b4482..b52c0b9 100644
--- a/test_interest_aggregation/test_interest_aggregation.py
+++ b/test_interest_aggregation/test_interest_aggregation.py
@@ -69,6 +69,8 @@
         #Start NFD
         self.startNfd()
         time.sleep(1)
+        self.startNrd()
+        time.sleep(1)
 
         #Start ndn-traffic-server to serve ndn:/test-agg, with content delay set to 2000ms
         serverConfigurationFile = os.path.abspath(