Tests

Tests #1108

Job	Run time
Unit tests	1m 5s
Lint	29s
Build charms (.) / Collect bases for charm \| .	18s
Build charms (tests/integration/app-charm) / Collect bases for charm \| tests/integration/app-charm	18s
Build charms (.) / Build charm \| base #0	2m 55s
Build charms (tests/integration/app-charm) / Build charm \| base #0	2m 25s
integration-charm	9m 11s
integration-password-rotation	11m 7s
integration-provider	12m 12s
integration-tls	16m 11s
integration-backup	10m 38s
integration-replication	12m 10s
integration-ha	29m 47s
	1h 48m 46s

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