Tests

Tests #732

Job	Run time
Check libraries	26s
Unit tests	2m 44s
Lint	14s
Build charms / Get workflow version / Get workflow version	2s
Build charms / Collect charms	15s
Build charms / Build mongodb charm \| 22.04	3m 53s
Build charms / Build application charm \| 20.04	2m 31s
charm-integration	12m 11s
ha-integration	1h 0m 50s
relation-integration	17m 33s
legacy-integration	7m 36s
tls-integration	31m 6s
backup-integration	1h 17m 17s
metric-integration	19m 20s
	3h 55m 58s

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