Add Goldpinger + node-exporter-full (#1640)

Closes #1494
cc @fnpanic
diff --git a/tox.ini b/tox.ini
index b0787f3..c064e21 100644
--- a/tox.ini
+++ b/tox.ini
@@ -62,6 +62,7 @@
   ATMOSPHERE_NETWORK_BACKEND
 deps =
   molecule
+  kubernetes
 commands =
   molecule {posargs}