Tests

[DPE-2700] Move primary on shard removal #899

Job	Run time
Check libraries	34s
Unit tests	2m 34s
Lint	16s
Build charms / Get workflow version / Get workflow version	5s
Build charms / Collect charms	20s
Build charms / Build mongodb charm \| 22.04	2m 9s
Build charms / Build application charm \| 20.04	1m 43s
charm-integration	12m 21s
ha-integration	55m 8s
relation-integration	19m 59s
legacy-integration	5m 9s
tls-integration	23m 36s
backup-integration	27m 9s
metric-integration	19m 18s
	2h 50m 21s

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