The heal from these, abilities can be dodged. You can dodge your own heal from draining shot, and allied players frequently dodge the healing component of obsidian shard.
I think it goes without saying that beneficial effects shouldn't be getting negated by your or your allies' defenses.
PS4 / NA
M'asad - Khajiit Nightblade - Healer
Pakhet - Khajiit Dragonknight - Tank
Raksha - Khajiit Sorcerer - Stamina DPS
Bastet - Khajiit Templar - Healer
Leonin - Khajiit Warden - Tank