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.py b/src/test/cordSubscriber/cordSubscriberTest.py
index 442b092..0c79cc6 100644
--- a/src/test/cordSubscriber/cordSubscriberTest.py
+++ b/src/test/cordSubscriber/cordSubscriberTest.py
@@ -269,6 +269,7 @@
       VOLTHA_HOST = None
       VOLTHA_REST_PORT = 8881
       VOLTHA_UPLINK_VLAN_MAP = { 'of:0001000000000001' : '222' }
+      VOLTHA_UPLINK_VLAN_START = 333
       VOLTHA_IGMP_ITERATIONS = 100
       VOLTHA_CONFIG_FAKE = True
       VOLTHA_OLT_TYPE = 'simulated_olt'