[updated] reduce sample success rate to be more inline with pre-cu

Change-Id: I83625ea59a62d5a93ce2f23bc8aad8c2df36e65b
[Fixed] invisible players are no longer attackable or healable

Change-Id: Ifcf587ca83c87439babc979d554b4c4cb3c470b3
Merge "[Fixed] invisible players are no longer attackable or healable" into unstable