Tests

Tests #735

Job	Run time
Check libraries	25s
Unit tests	2m 35s
Lint	15s
Build charms / Get workflow version / Get workflow version	8s
Build charms / Collect charms	11s
Build charms / Build mongodb charm \| 22.04	4m 39s
Build charms / Build application charm \| 20.04	2m 47s
charm-integration	11m 41s
ha-integration	1h 10m 4s
relation-integration	26m 53s
legacy-integration	6m 54s
tls-integration	25m 20s
backup-integration	1h 3m 0s
metric-integration	19m 35s
	3h 54m 27s

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