Tests

fix bugs #1022

Job	Run time
Check libraries	30s
Unit tests	2m 31s
Lint	12s
Build charms / Get workflow version / Get workflow version	3s
Build charms / Collect charms	21s
Build charms / Build mongodb charm \| base #0	2m 41s
Build charms / Build legacy-application charm \| base #0	1m 32s
Build charms / Build application charm \| base #0	1m 20s
charm-integration	12m 29s
ha-integration	51m 49s
relation-integration	26m 28s
legacy-integration	3m 32s
tls-integration	29m 34s
backup-integration	1h 3m 3s
metric-integration	19m 38s
sharding-integration	2h 0m 15s
sharding-relation-integration	14m 13s
	5h 50m 11s

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