Add unit tests

Change-Id: Id16d6b1d9779bf5b40d37e8ab5e761ff5448db4b
diff --git a/metadata.yml b/metadata.yml
index ba1f160..079cc37 100644
--- a/metadata.yml
+++ b/metadata.yml
@@ -1,3 +1,6 @@
 name: "rsync"
 version: "0.2"
 source: "https://github.com/salt-formulas/salt-formula-rsync"
+dependencies:
+- name: sensu
+  source: "https://github.com/salt-formulas/salt-formula-sensu"
\ No newline at end of file