Multiple errors in flaky test valid_dna_infusion

[github-actions]

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:

valid_dna_infusion: [16:31:31] Runtime in code/modules/hydroponics/grown.dm,62: Grown object created without a seed. WTF
proc name:  stack trace (/proc/_stack_trace)
src: null
call stack:
stack trace("Grown object created without a...", "code/modules/hydroponics/grown...", 62)
the mushroom (/obj/item/food/grown/mushroom): Initialize(0, null)
Atoms (/datum/controller/subsystem/atoms): InitAtom(the mushroom (/obj/item/food/grown/mushroom), 0, /list (/list))
the mushroom (/obj/item/food/grown/mushroom): New(0, null)
the mushroom (/obj/item/food/grown/mushroom): New(the floor (126,126,5) (/turf/open/indestructible), null)
/datum/unit_test/valid_dna_inf... (/datum/unit_test/valid_dna_infusion): allocate(/obj/item/food/grown/mushroom (/obj/item/food/grown/mushroom))
/datum/unit_test/valid_dna_inf... (/datum/unit_test/valid_dna_infusion): Run()
RunUnitTest(/datum/unit_test/valid_dna_inf... (/datum/unit_test/valid_dna_infusion), /list (/list))
RunUnitTests()
/datum/callback (/datum/callback): InvokeAsync() at code/modules/hydroponics/grown.dm:62
valid_dna_infusion: /obj/item/food/grown/mushroom is in the 'input_obj_or_mob' list for /datum/infuser_entry/plants but doesn't have TRAIT_VALID_DNA_INFUSION. at code/modules/unit_tests/dna_infusion.dm:15