Added tests for double tagged subscribers.

Change-Id: If90a7d51500bfcbe7a9095ad06e9bf45e8372e8d
diff --git a/src/python/loxi/of13/action.py b/src/python/loxi/of13/action.py
index aa8a04d..a7d6697 100755
--- a/src/python/loxi/of13/action.py
+++ b/src/python/loxi/of13/action.py
@@ -2118,4 +2118,4 @@
             q.breakable()
         q.text('}')
 
-ofdpa.subtypes[OFDPA_ACT_OAM_SET_COUNTER_FIELDS] = ofdpa_oam_set_counter_field
\ No newline at end of file
+ofdpa.subtypes[OFDPA_ACT_OAM_SET_COUNTER_FIELDS] = ofdpa_oam_set_counter_field