Tests

[DPE-2317] Small upgrade fixes #698

Job	Run time
Lint	24s
Unit tests	2m 6s
Build charms / Get workflow version / Get workflow version	2s
Build charms / Collect charms	11s
Build charms / Build zookeeper charm \| base #0	1m 49s
Build charms / Build application charm \| base #0	1m 15s
integration-password-rotation	13m 29s
integration-provider	16m 19s
integration-tls	22m 29s
integration-upgrade	3m 12s
integration-replication	17m 12s
integration-ha	23m 10s
	1h 41m 38s

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