dev server, xvnc server
  creates THS object
    passes browser, app_base, selenium_rc hash (start => 1)
  calls test_directory($dir)
    starts xvnc server
    starts selenium rc daemon
    connects to selenium rc daemon
    looks for HTML files
    processes them into arrays for ::Selenese
    feeds to ::Selenese
    TAP is output
  calls test_directory($other_dir)
    reuses servers if possible
    reuses selenium rc connection if possible
    looks for HTML files
    processes them into arrays for ::Selenese
    feeds to ::Selenese
    TAP is output
  calls done_testing(), test exits
    DESTROY shuts down servers started

dev server, xvnc server
  creates THS object
    passes browser, app_base, selenium_rc hash (start => 0)
  calls test_directory($dir)
    connects to selenium rc daemon
    looks for HTML files
    processes them into arrays for ::Selenese
    feeds to ::Selenese
    TAP is output
  calls test_directory($other_dir)
    looks for HTML files
    processes them into arrays for ::Selenese
    feeds to ::Selenese
    TAP is output
  calls done_testing(), test exits
    THS::DESTROY is essentially a NOP