download only onos VMs

Change-Id: I24659934dbcca42078eb49811158359cf0688c63
diff --git a/tools/test/bin/onos-fetch-vms b/tools/test/bin/onos-fetch-vms
index 1a11a02..567f7f5 100755
--- a/tools/test/bin/onos-fetch-vms
+++ b/tools/test/bin/onos-fetch-vms
@@ -8,4 +8,4 @@
 
 mkdir -p /tmp/onos
 mount -t smbfs smb://guest:@10.254.1.15/onos /tmp/onos
-cp /tmp/onos/*.ova ~/Downloads
+cp /tmp/onos/onos*.ova ~/Downloads