Remove the obsolete comment for RETURNING and put the test in a parallel running group, following pg upstream.
@@ -149,14 +149,11 @@ test: select_views portals_p2 cluster dependency guc bitmapops tsearch tsdicts f
# NB: temp.sql does a reconnect which transiently uses 2 connections,
# so keep this parallel group to at most 19 tests
# ----------
-test: plancache limit plpgsql copy2 temp domain rangefuncs prepare without_oid conversion truncate alter_table alter_extension sequence polymorphism rowtypes with xml gp_foreign_data
+test: plancache limit plpgsql copy2 temp domain rangefuncs prepare without_oid conversion truncate alter_table alter_extension sequence polymorphism rowtypes returning with xml gp_foreign_data
# large objects are not supported by GPDB
# test: largeobject
-# INSERT RETURNING is not supported by GPDB
-test: returning
-
# run stats by itself because its delay may be insufficient under heavy load
#
# 'stats' test has been disabled in GPDB, because it tries to set stats-related
