Add unit tests

Change-Id: I6530d29e834633665f21e330d23fd50471ce0046
diff --git a/tests/pillar/client.sls b/tests/pillar/client.sls
new file mode 100644
index 0000000..9383adb
--- /dev/null
+++ b/tests/pillar/client.sls
@@ -0,0 +1,23 @@
+grafana:
+  client:
+    enabled: true
+    server:
+      protocol: https
+      host: grafana.host
+      port: 3000
+      user: admin
+      password: password
+    datasource:
+      elasticsearch:
+        type: elasticsearch
+        host: log01.domain.com
+        port: 80
+        index: grafana-dash
+    dashboard:
+      system_metrics:
+        title: "Generic system metrics"
+        style: dark
+        editable: false
+        row:
+          top:
+            title: "First row"
\ No newline at end of file