wesnoth option -t does not work (error: "Unknown scenario: 'test'")

(Breezy Badger)

wesnoth --help tells about the option -t, but it doesn't work

(Breezy Badger)

wesnoth --help tells about the option -t, but it doesn't work. man wesnoth also tells about the -t option.

jeroen@breezy:~$ wesnoth --help
Battle for Wesnoth v0.9.3
Started on Sat Jul 2 16:04:45 2005

started game: 3621588141
usage: wesnoth [options] [data-directory]
  -d, --debug Shows debugging information in-game
  -f, --fullscreen Runs the game in full-screen
  -h, --help Prints this message and exits
  --path Prints the name of the game data directory and exits
  -t, --test Runs the game in a small example scenario
  -w, --windowed Runs the game in windowed mode
  -v, --version Prints the game's version number and exits
  --log-error="domain1,domain2,...", --log-warning=..., --log-info=...
                    Set the severity level of the debug domains
                    "all" can be used to match any debug domain
  --nocache Disables caching of game data
  --nosound Disables sounds
  --compress file1 file2 Compresses the text-WML file file1 into the
                    binary-WML file file2
  --decompress file1 file2 Uncompresses the binary-WML file file2 into
                    the text-WML file file2
exiting with code 0
jeroen@breezy:~$ wesnoth -t
Battle for Wesnoth v0.9.3
Started on Sat Jul 2 16:04:47 2005

started game: 3621591019
open /dev/sequencer: No such file or directory
Checking video mode: 960x730x16...
32
setting mode to 960x730x32
locale could not be determined; defaulting to system locale
found valid cache at '/home/jeroen/.wesnoth/cache/game.cfg-cache-v0.9.3-MEDIUM-NORMAL' using it
started music
673377048
error general: Unknown scenario: 'test'
closing audio...
final closing audio...
done closing audio...
exiting with code 0
jeroen@breezy:~$ wesnoth --test
Battle for Wesnoth v0.9.3
Started on Sat Jul 2 16:04:56 2005

started game: 3621599590
open /dev/sequencer: No such file or directory
Checking video mode: 960x730x16...
32
setting mode to 960x730x32
locale could not be determined; defaulting to system locale
found valid cache at '/home/jeroen/.wesnoth/cache/game.cfg-cache-v0.9.3-MEDIUM-NORMAL' using it
started music
673368468
error general: Unknown scenario: 'test'
closing audio...
final closing audio...
done closing audio...
exiting with code 0
jeroen@breezy:~$