check vcap-staging BUNDLE_WITHOUT option

config

--- 
BUNDLE_DISABLE_SHARED_GEMS: "1"
BUNDLE_WITHOUT: test
BUNDLE_PATH: vendor/bundle

Gemfile

source "http://rubygems.org"

gem "sinatra"
group "test" do
  gem "hogehogemax"
end

Gemfile.lock

GEM
  remote: http://rubygems.org/
  specs:
    rack (1.4.1)
    rack-protection (1.2.0)
      rack
    sinatra (1.3.3)
      rack (~> 1.3, >= 1.3.6)
      rack-protection (~> 1.2)
      tilt (~> 1.3, >= 1.3.3)
    tilt (1.3.3)
    hogehogemax (0.0.1)

PLATFORMS
  ruby

DEPENDENCIES
  sinatra
  hogehogemax

index.rb

require 'rubygems' # for ruby18
require 'sinatra'

get '/' do
  "<h1>Hello!!</h1>"
end