Tests

[DPE-2778] Shard removal tests #1002

Job	Run time
Check libraries	36s
Lint	11s
Unit tests	2m 36s
Build charms / Get workflow version / Get workflow version	4s
Build charms / Collect charms	13s
Build charms / Build mongodb charm \| base #0	2m 48s
Build charms / Build application charm \| base #0	1m 56s
charm-integration	15m 23s
ha-integration	1h 0m 55s
relation-integration	26m 57s
legacy-integration	5m 25s
tls-integration	22m 38s
backup-integration	51m 30s
metric-integration	19m 51s
sharding-integration	55m 4s
	4h 26m 7s

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