Test

Add example for partition data #491

Job	Run time
test-backup-restore-cli (docker-compose, standalone, standalone)	3m 54s
test-backup-restore-with-custom-config (helm, standalone, milvus-backup)	5m 42s
test-backup-restore-cross-version (docker-compose, standalone, standalone)	4m 31s
test-backup-restore-cli (docker-compose, standalone, cluster)	4m 31s
test-backup-restore-api (docker-compose, standalone, L0)	1h 2m 45s
test-backup-restore-with-custom-config (helm, standalone, milvus-bucket)	6m 24s
test-backup-restore-api (docker-compose, standalone, L1)	18m 30s
test-backup-restore-with-custom-config (helm, standalone, file, milvus-backup)	5m 51s
test-backup-restore-cli (docker-compose, cluster, standalone)	4m 21s
test-backup-restore-with-custom-config (helm, standalone, file, milvus-bucket)	5m 35s
test-backup-restore-cli (docker-compose, cluster, cluster)	4m 31s
	2h 6m 35s

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