topgun: use `overlay` by default
it seems like warden does not play well with btrfs - forcing `overlay`
by default makes it possible to run BOSH topgun tests locally.
@@ -78,10 +78,10 @@ instance_groups:
name: worker
properties:
log_level: debug
-
worker_gateway:
worker_key: ((worker_key))
-
+ baggageclaim:
+ driver: overlay
# prevent tests from hanging forever
drain_timeout: 10m
