Tests

[DPE-2613] fix rel tests (6/edge) #840

Job	Run time
Check libraries	35s
Lint	16s
Unit tests	2m 31s
Build charms / Get workflow version / Get workflow version	7s
Build charms / Collect charms	14s
Build charms / Build mongodb charm \| 22.04	2m 55s
Build charms / Build application charm \| 20.04	1m 51s
charm-integration	12m 41s
ha-integration	51m 0s
relation-integration	21m 18s
legacy-integration	3m 28s
tls-integration	28m 38s
backup-integration	1h 9m 16s
metric-integration	18m 52s
	3h 33m 42s

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