Add unit tests

Change-Id: I76d0e10ea31e222a743e9d11bcf7a53453ff2054
diff --git a/tests/pillar/server.sls b/tests/pillar/server.sls
new file mode 100644
index 0000000..c1b18bb
--- /dev/null
+++ b/tests/pillar/server.sls
@@ -0,0 +1,7 @@
+redis:
+  server:
+    enabled: true
+    bind:
+      address: 0.0.0.0
+      port: 6379
+      protocol: tcp
\ No newline at end of file