Use master reclass in tests to debug undefined vars

Change-Id: Ib19941367cfc7ae2f2008a2d3a13e4cd14e899f7
diff --git a/scripts/test_reclass.sh b/scripts/test_reclass.sh
index 6cf4259..4286ad1 100755
--- a/scripts/test_reclass.sh
+++ b/scripts/test_reclass.sh
@@ -73,7 +73,9 @@
     docker_exec "wget -O - http://apt-mk.mirantis.com/public.gpg | apt-key add -"
 
     docker_exec "apt-get update"
-    docker_exec "apt-get install -y salt-master python-psutil iproute2 curl reclass salt-formula-*"
+    docker_exec "apt-get install -y salt-master python-psutil iproute2 curl python-dev python-pip reclass salt-formula-*"
+    # FIXME: Use master reclass to debug undefined vars. Remove when reclass is updated
+    docker_exec "pip install -U https://github.com/madduck/reclass/archive/master.zip"
 
     log_info "Setting up Salt master"
     # TODO: remove grains.d hack when fixed in formula