Tests

Start using goimports #3033

Job	Run time
Client (oldstable, ubuntu-latest)	1m 3s
Documentation	5m 16s
Code (oldstable)	1m 35s
Client (oldstable, macos-latest)	1m 31s
Client (oldstable, windows-latest)	2m 18s
Code (stable)	1m 30s
Code (tip)	4m 27s
Client (stable, ubuntu-latest)	1m 5s
System (stable, cluster, dir)	3m 23s
Client (stable, macos-latest)	1m 15s
System (stable, cluster, btrfs)	2m 6s
Client (stable, windows-latest)	2m 21s
System (stable, cluster, lvm)	3m 34s
System (stable, cluster, zfs)	2m 4s
System (stable, cluster, ceph)	2m 59s
System (stable, cluster, random)	1m 58s
System (stable, standalone, dir)	2m 0s
System (stable, standalone, btrfs)	2m 0s
System (stable, standalone, lvm)	2m 10s
System (stable, standalone, zfs)	3m 57s
System (stable, standalone, ceph)	1m 57s
System (stable, standalone, random)	5m 17s
System (oldstable, cluster, dir)	1m 58s
System (oldstable, standalone, dir)	2m 3s
System (tip, cluster, dir)	4m 54s
System (tip, standalone, dir)	4m 49s
	1h 9m 30s

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