This video plays Test for the Best while trying to get 10000 points as fast as possible. This video is a toolassisted speedrun and also aims for high score in minigames where it wouldn't waste time.
This run is played on the NTSCUS version.
I also use a code below that unlocks test for the best.
Unlock Test for the Best Gecko Code Mario Party 8 NTSCU:
04045A78 3800FFFF