Minor cleanup and fix #2022

Signed-off-by: Olivier Gambier <olivier@docker.com>

script/test

@@ -1,12 +0,0 @@
-#!/bin/sh
-set -e
-
-ARGS=$@
-if [ -z "$ARGS" ]; then
-    ARGS="./libmachine/... ./commands/... ./drivers/..."
-fi
-
-echo $ARGS
-
-docker build -t docker-machine .
-exec docker run --rm docker-machine godep go test -race -v -short $ARGS