Debug system tests #578

Job	Run time
Code	1m 42s
Code	1m 54s
System (1.22.x, add)	9m 22s
System (1.22.x, add)	19m 10s
System (1.22.x, basic)	9m 21s
System (1.22.x, basic)	20m 23s
System (1.22.x, preseed)	9m 21s
System (1.22.x, preseed)	27m 24s
documentation-checks / Run documentation checks	1m 25s
documentation-checks / Run documentation checks	1m 14s
Trigger snap edge build	1s
Trigger snap edge build	1s
	1h 41m 18s

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