tests: add time command in vagrant_up.sh

monitor how long it takes to get all VMs up and running
Signed-off-by: Guillaume Abrioux <gabrioux@redhat.com>

tests/scripts/vagrant_up.sh

@@ -4,7 +4,7 @@ retries=0
 until [ $retries -ge 5 ]
 do
   echo "Attempting to start VMs. Attempts: $retries"
-  timeout 10m vagrant up "$@" && break
+  timeout 10m time vagrant up "$@" && break
   retries=$[$retries+1]
   sleep 5
 done