Increase sleep time after restart of salt-master

Change-Id: I4bd0e5f91191cb93c4a22a8a9425e02da87285d6
diff --git a/src/com/mirantis/mk/SaltModelTesting.groovy b/src/com/mirantis/mk/SaltModelTesting.groovy
index 846cc7a..fba7049 100644
--- a/src/com/mirantis/mk/SaltModelTesting.groovy
+++ b/src/com/mirantis/mk/SaltModelTesting.groovy
@@ -58,9 +58,9 @@
           sh("bash -c 'source /srv/salt/scripts/bootstrap.sh; cd /srv/salt/scripts && source_local_envs && saltmaster_bootstrap'")
         } else {
           sh("cp -r ${testDir}/* /srv/salt/reclass && echo '127.0.1.2  salt' >> /etc/hosts")
-          sh("service salt-master restart && service salt-minion restart && sleep 2")
+          sh("service salt-master restart && service salt-minion restart && sleep 15")
           sh("bash -c 'source /srv/salt/scripts/bootstrap.sh; cd /srv/salt/scripts && source_local_envs && configure_salt_master && configure_salt_minion'")
-          sh("service salt-master restart && service salt-minion restart && sleep 2")
+          sh("service salt-master restart && service salt-minion restart && sleep 15")
         }
 
         sh("bash -c 'source /srv/salt/scripts/bootstrap.sh; cd /srv/salt/scripts && source_local_envs && saltmaster_init'")