Use static uplink vlans (configurable) if the device is not found in the uplink map for the subscriber.
Plus other misc. changes related to voltha config

Change-Id: Icf2548af82229e984f16005950a34a73bdcd9cbc
diff --git a/src/test/cordSubscriber/cordSubscriberTest.json b/src/test/cordSubscriber/cordSubscriberTest.json
index 07c20f1..3a03f11 100644
--- a/src/test/cordSubscriber/cordSubscriberTest.json
+++ b/src/test/cordSubscriber/cordSubscriberTest.json
@@ -4,5 +4,6 @@
     "VOLTHA_IGMP_ITERATIONS" : 100,
     "VOLTHA_CONFIG_FAKE" : true,
     "VOLTHA_OLT_TYPE" : "ponsim_olt",
-    "VOLTHA_OLT_MAC"  : "00:0c:e2:31:12:00"
+    "VOLTHA_OLT_MAC"  : "00:0c:e2:31:12:00",
+    "VOLTHA_UPLINK_VLAN_START" : 333
 }