Store artifacts from the remote Jenkins slave if present

- collect artifacts from the remote Jenkins slave
  if $jenkins_slave_node_name != ${NODE_NAME}

- store py.test logs into files with different names to
  avoid overwrites

Change-Id: I1ba4fe425c5400f9095e5cd8b7e3d901be01d288
diff --git a/tcp_tests/templates/heat-cicd-pike-contrail41-sl/underlay--user-data-foundation.yaml b/tcp_tests/templates/heat-cicd-pike-contrail41-sl/underlay--user-data-foundation.yaml
index cb551ef..1677dcd 100644
--- a/tcp_tests/templates/heat-cicd-pike-contrail41-sl/underlay--user-data-foundation.yaml
+++ b/tcp_tests/templates/heat-cicd-pike-contrail41-sl/underlay--user-data-foundation.yaml
@@ -15,6 +15,7 @@
 chpasswd:
   list: |
     root:r00tme
+    jenkins:qalab
   expire: False
 
 packages: