# File lib/test/zentest_assertions.rb, line 91
  def util_capture
    require 'stringio'
    orig_stdout = $stdout.dup
    orig_stderr = $stderr.dup
    captured_stdout = StringIO.new
    captured_stderr = StringIO.new
    $stdout = captured_stdout
    $stderr = captured_stderr
    yield
    captured_stdout.rewind
    captured_stderr.rewind
    return captured_stdout, captured_stderr
  ensure
    $stdout = orig_stdout
    $stderr = orig_stderr
  end