[VOL-5177] - verify_voltha-openolt-adapter_sanity-test failure

More debugging added for voltha-adapter-sanity-test.

vars/volthaStackDeploy.groovy
-----------------------------
  o Interesting 'set +x#' is an error.
  o Insert whitespace to separate +x from comment leader.

Change-Id: Ic16d50ed5a1cac57c82d7e604f057440a3bcc479
diff --git a/vars/volthaStackDeploy.groovy b/vars/volthaStackDeploy.groovy
index e8390bb..8ee16a2 100644
--- a/vars/volthaStackDeploy.groovy
+++ b/vars/volthaStackDeploy.groovy
@@ -176,7 +176,7 @@
 EOM
 
 # set -euo pipefail
-set +x#        # Noisy when commented (default: uncommented)
+set +x #        # Noisy when commented (default: uncommented)
 
 declare -i count=0
 vsd_log='volthaStackDeploy.tmp'