Moving to ubuntu 18 and fixing UT's

Change-Id: Id4bf535bd1567d4adefed95641271e2bf6b447fe
Signed-off-by: wahidw <abdulwahid.w@nokia.com>
diff --git a/pkg/rpe/rmr_test.go b/pkg/rpe/rmr_test.go
index da469fa..950cd99 100644
--- a/pkg/rpe/rmr_test.go
+++ b/pkg/rpe/rmr_test.go
@@ -48,7 +48,7 @@
 func TestRmrPushGeneratePolicies(t *testing.T) {
 	var rmrpush = RmrPush{}
 	var pcs rtmgr.RicComponents
-	resetTestDataset(stub.ValidEndpoints)
+	resetTestDataset(stub.ValidEndpoints1)
 	stub.ValidPlatformComponents = nil
 	rtmgr.Subs = *stub.ValidSubscriptions
 	rtmgr.PrsCfg = stub.DummyRoutes