They are certainly still healing themselves. NSD will stop it. I don't have any interrupts in my test logs, so their heal may be instacast.
I'm not certain as to whether they'll heal other mobs, though I can't say that I've noticed it during my testing in this cycle.
X
Xtremtech: MetaPhysicist currently resident on Test. (209 + 21 AI Levels).
Various other test MPs of differing levels and builds available.
Ghosts of Rimor
Gorastopr 220 MA Doctor :: No pew pew. Thwack thwack.
Goratinkr TL5 OT Hurler Factotum Engineer :: Bringin' the thunder since 2008.
Scrubup 100 Bow Doctor :: Will she ever get out of perk reset? Stay tuned!
Ghosts of Atlantean
Unda TL7 MA Engineer :: Crying for more crit.
Measles LVL1 Pistol Doctor :: It takes 2 stims to self the Expertises.