Tests

[DPE-2613] fix rel tests (6/edge) #819

Job	Run time
Check libraries	24s
Lint	19s
Unit tests	2m 31s
Build charms / Get workflow version / Get workflow version	7s
Build charms / Collect charms	13s
Build charms / Build mongodb charm \| 22.04	2m 54s
Build charms / Build application charm \| 20.04	2m 11s
charm-integration	12m 45s
ha-integration	1h 8m 46s
relation-integration	20m 40s
legacy-integration	4m 15s
tls-integration	23m 31s
backup-integration	1h 17m 3s
metric-integration	19m 37s
	3h 55m 16s

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