Add unit tests

Change-Id: I89e73ec7790e91d86333b5b805a157ee64c832f1
diff --git a/tests/pillar/environment.sls b/tests/pillar/environment.sls
new file mode 100644
index 0000000..b5ea7f6
--- /dev/null
+++ b/tests/pillar/environment.sls
@@ -0,0 +1,14 @@
+python:
+  environment:
+    enabled: true
+    user:
+      root:
+        pypi_user: user
+        pypi_password: password
+        pypi_mirror:
+          protocol: http
+          host: pypi.local
+          port: 8084
+          upstream_fallback: true
+          user: user
+          password: password
\ No newline at end of file