Add unit tests

Change-Id: Iff4890edac84a104e4208b81ae33f8555b9a2efb
diff --git a/metadata.yml b/metadata.yml
index b61faf3..ec62d42 100644
--- a/metadata.yml
+++ b/metadata.yml
@@ -1,3 +1,6 @@
 name: "sphinx"
 version: "0.2"
 source: "https://github.com/salt-formulas/salt-formula-sphinx"
+dependencies:
+- name: git
+  source: "https://github.com/salt-formulas/salt-formula-git"
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