Removed -i and trailing space

prepare-vms/lib/commands.sh

@@ -175,10 +175,10 @@ _cmd kubetest "Check that all notes are reporting as Ready"
 _cmd_kubetest() {
     # There are way too many backslashes in the command below.
     # Feel free to make that better ♥
-    pssh -i "
+    pssh "
     set -e
     if grep -q node1 /tmp/node; then
-      for NODE in \$(awk /\ node/\ {print\ \\\$2} /etc/hosts); do 
+      for NODE in \$(awk /\ node/\ {print\ \\\$2} /etc/hosts); do
         echo \$NODE ; kubectl get nodes | grep -w \$NODE | grep -w Ready
       done
     fi"