This bug was discovered in Stonetalon Mountains: Plateau Cliffwalker location. Thanks to a small trick, you have the opportunity to be resurrected at any location in the game. Including on the battlegrounds, in the dungeons too (at the expense of the arena, I do not know). You will need a healer in the group, which will resurrect you when you get killed. Instructions in the description below the video
You can watch this video for example how to do this:
--SNIP--