Grow Vagrant partition on provision

We're setting libvirt.machine_virtual_size which set libvirt's volume
size only. Adjust the guest's partition table and filesystem as well.
1 job for vagrant-growfs in 5 minutes and 22 seconds (queued for 3 seconds)
latest
Status Job ID Name Coverage
  Test
passed #12081
ai3
run_base_test

00:05:22