Require rubygems inside the smoke test instead.

require 'rubygems'

require 'parallel'

module JsDuck

describe "smoke test running jsduck --version" do

  it "does not crash" do

    `./bin/jsduck --version`

    # Explicitly include rubygems, otherwise TravisCI will fail to

    # load the parallel and possibly other gems in Ruby 1.8

    `ruby -e 'require "rubygems"' ./bin/jsduck --version`

    $?.exitstatus.should == 0

  end