testing: disable vagrant sync folder add on xenial mon osd scenario

Signed-off-by: Alfredo Deza <[email protected]>

tests/functional/ubuntu/16.04/mon-osd/vagrant_variables.yml

@@ -58,6 +58,9 @@ vagrant_box: ceph/ubuntu-xenial
 # Set to /home/vagrant/sync for Centos/7, /home/{ user }/vagrant for openstack and defaults to /vagrant
 #vagrant_sync_dir: /home/vagrant/sync
 #vagrant_sync_dir: /
+# Disables synced folder creation. Not needed for testing, will skip mounting
+# the vagrant directory on the remote box regardless of the provider.
+vagrant_disable_synced_folder: true
 # VAGRANT URL
 # This is a URL to download an image from an alternate location.  vagrant_box
 # above should be set to the filename of the image.