Add ability to specify target path to postgres backup bin

Change-Id: I5e6058c416fd661ace9cc034796382183b1792b6
Related-Prod: PROD-31827
diff --git a/tests/pillar/client_rsync.sls b/tests/pillar/client_rsync.sls
index 1f2a2ad..14e20eb 100644
--- a/tests/pillar/client_rsync.sls
+++ b/tests/pillar/client_rsync.sls
@@ -7,6 +7,8 @@
       engine: rsync
       host: 10.10.10.208
       user: backupninja
+    extra_params:
+      PGSQLDUMP: /new/path/to/backup/tool
 linux:
   system:
     name: hostname