# File lib/pry/test/helper.rb, line 64
  def mock_command(cmd, args=[], opts={})
    output = StringIO.new
    pry = Pry.new(output: output)
    ret = cmd.new(opts.merge(pry_instance: pry, :output => output)).call_safely(*args)
    Struct.new(:output, :return).new(output.string, ret)
  end