server_spec.rb

  it "should return nil if torquebox-server is not installed" do
    # if you have torquebox-server installed, this will actually return a 
    # value instead of nil.  so reseting gem paths.
    old_gem_home = ENV['GEM_HOME']
    old_gem_path = ENV['GEM_PATH']
    ENV['GEM_PATH'] = ""
    ENV['GEM_HOME'] = ""
    Gem.clear_paths

    TorqueBox::Server.torquebox_home.should == nil

    Gem.clear_paths
    ENV['GEM_HOME'] = old_gem_home
    ENV['GEM_PATH'] = old_gem_path
  end