turn on resize feature

tempest should test resize based on the config devstack sets up,
but we lost this somewhere.

Change-Id: I12364e7c73c54cc1b231b984dbbc5489c7bbe400
diff --git a/lib/tempest b/lib/tempest
index af5493e..b164455 100644
--- a/lib/tempest
+++ b/lib/tempest
@@ -293,6 +293,9 @@
     iniset $TEMPEST_CONFIG compute use_block_migration_for_live_migration ${USE_BLOCK_MIGRATION_FOR_LIVE_MIGRATION:-False}
     iniset $TEMPEST_CONFIG compute ssh_connect_method $ssh_connect_method
 
+    # Compute Features
+    iniset $TEMPEST_CONFIG compute-feature-enabled resize True
+
     # Compute admin
     iniset $TEMPEST_CONFIG "compute-admin" username $ADMIN_USERNAME
     iniset $TEMPEST_CONFIG "compute-admin" password "$password"