Multiple errors in flaky test addictions

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Flaky tests were detected in this test run. This means that there was a failure that was cleared when the tests were simply restarted.
Failures:

addictions: [03:01:17] Runtime in code/modules/mob/mob.dm,291: list index out of bounds
proc name: visible message (/atom/proc/visible_message)
src: the man (/mob/living/carbon/human/consistent)
src.loc: the floor (126,126,17) (/turf/open/indestructible)
call stack:
the man (/mob/living/carbon/human/consistent): visible message("", "<span class=\'warning\'>You fe...", null, 7, /list (/list), 0)
the man (/mob/living/carbon/human/consistent): visible message("", "<span class=\'warning\'>You fe...", null, 7, null, 0)
/datum/status_effect/trance (/datum/status_effect/trance): on apply(166, 0)
/datum/status_effect/trance (/datum/status_effect/trance): on creation(the man (/mob/living/carbon/human/consistent), 166, 0)
/datum/status_effect/trance (/datum/status_effect/trance): on creation(the man (/mob/living/carbon/human/consistent), 166, 0)
/datum/status_effect/trance (/datum/status_effect/trance): New(/list (/list))
the man (/mob/living/carbon/human/consistent): apply status effect(/datum/status_effect/trance (/datum/status_effect/trance), 166, 0)
Hypnotic Stupor (/datum/brain_trauma/severe/hypnotic_stupor): on life(20)
the man (/mob/living/carbon/human/consistent): handle brain damage(20)
the man (/mob/living/carbon/human/consistent): Life(20)
the man (/mob/living/carbon/human/consistent): Life(20)
the man (/mob/living/carbon/human/consistent): Life(null)
/datum/unit_test/addictions (/datum/unit_test/addictions): Run()
RunUnitTest(/datum/unit_test/addictions (/datum/unit_test/addictions), /list (/list))
RunUnitTests()
/datum/callback (/datum/callback): InvokeAsync() at code/modules/mob/mob.dm:291
addictions: [03:01:17] Runtime in code/modules/mob/mob.dm,340: list index out of bounds
proc name: visible message (/mob/visible_message)
src: the man (/mob/living/carbon/human/consistent)
src.loc: the floor (126,126,17) (/turf/open/indestructible)
call stack:
the man (/mob/living/carbon/human/consistent): visible message("", "<span class=\'warning\'>You fe...", null, 7, null, 0)
/datum/status_effect/trance (/datum/status_effect/trance): on apply(166, 0)
/datum/status_effect/trance (/datum/status_effect/trance): on creation(the man (/mob/living/carbon/human/consistent), 166, 0)
/datum/status_effect/trance (/datum/status_effect/trance): on creation(the man (/mob/living/carbon/human/consistent), 166, 0)
/datum/status_effect/trance (/datum/status_effect/trance): New(/list (/list))
the man (/mob/living/carbon/human/consistent): apply status effect(/datum/status_effect/trance (/datum/status_effect/trance), 166, 0)
Hypnotic Stupor (/datum/brain_trauma/severe/hypnotic_stupor): on life(20)
the man (/mob/living/carbon/human/consistent): handle brain damage(20)
the man (/mob/living/carbon/human/consistent): Life(20)
the man (/mob/living/carbon/human/consistent): Life(20)
the man (/mob/living/carbon/human/consistent): Life(null)
/datum/unit_test/addictions (/datum/unit_test/addictions): Run()
RunUnitTest(/datum/unit_test/addictions (/datum/unit_test/addictions), /list (/list))
RunUnitTests()
/datum/callback (/datum/callback): InvokeAsync() at code/modules/mob/mob.dm:340