Add 'sleep 5' after executing 'sync_all' to allow minions be ready

Change-Id: I1ef0cc6c74eded6074247a02faa68992d5b15962
Reviewed-on: https://review.gerrithub.io/374073
Reviewed-by: Dennis Dmitriev <dis.xcom@gmail.com>
Tested-by: Dennis Dmitriev <dis.xcom@gmail.com>
diff --git a/tcp_tests/templates/physical_mcp11_dvr/salt.yaml b/tcp_tests/templates/physical_mcp11_dvr/salt.yaml
index bbc098a..238e253 100644
--- a/tcp_tests/templates/physical_mcp11_dvr/salt.yaml
+++ b/tcp_tests/templates/physical_mcp11_dvr/salt.yaml
@@ -53,7 +53,7 @@
   skip_fail: false
 
 - description: Sync all salt resources
-  cmd: salt --hard-crash --state-output=mixed --state-verbose=False '*' saltutil.sync_all
+  cmd: salt --hard-crash --state-output=mixed --state-verbose=False '*' saltutil.sync_all && sleep 5
   node_name: {{ HOSTNAME_CFG01 }}
   retry: {count: 1, delay: 5}
   skip_fail: false