[wf]decrease sleep between seq run

PRODX-46825

Change-Id: Iab8b33cfd4edcd52d52bf48aa6e7341e83a1baf8
diff --git a/src/com/mirantis/mk/Workflow.groovy b/src/com/mirantis/mk/Workflow.groovy
index 8646073..342de2b 100644
--- a/src/com/mirantis/mk/Workflow.groovy
+++ b/src/com/mirantis/mk/Workflow.groovy
@@ -851,7 +851,8 @@
             jobs.each { stepName, job ->
                 common.infoMsg("${prefixMsg} Running sequence ${stepName}")
                 job()
-                sleep(30)
+                // just in case sleep.
+                sleep(5)
             }
             sequenceSummary['nested_result'] = 'SUCCESS'
         } catch (InterruptedException e) {