Increase retry count for step "Check salt minion versions"

Change-Id: I0a708860cd0bfcc946a9b7285b1a3f8e4d005853
Reviewed-on: https://review.gerrithub.io/373474
Reviewed-by: Dennis Dmitriev <dis.xcom@gmail.com>
Tested-by: Dennis Dmitriev <dis.xcom@gmail.com>
diff --git a/tcp_tests/templates/virtual-mcp11-ovs/salt.yaml b/tcp_tests/templates/virtual-mcp11-ovs/salt.yaml
index a5d6177..49f463f 100644
--- a/tcp_tests/templates/virtual-mcp11-ovs/salt.yaml
+++ b/tcp_tests/templates/virtual-mcp11-ovs/salt.yaml
@@ -224,7 +224,7 @@
 - description: Check salt minion versions on slaves
   cmd: salt '*' test.version
   node_name: {{ HOSTNAME_CFG01 }}
-  retry: {count: 1, delay: 5}
+  retry: {count: 3, delay: 5}
   skip_fail: false
 
 - description: Check salt top states on nodes