ng := WithNPeers(len(sys.peerClients)).WithRetries(1)
	for idx, client := range sys.peerClients {
		client := client
		ng.Go(GlobalContext, func() error {
			if client == nil {
				return errPeerNotReachable
			}
			return client.DeletePolicy(policyName)
		}, idx, *client.host)
	}
	return ng.Wait()
}

	// doesn't really matter anyway, since this is purely a string
	// function we're testing, and it's not actually being used to
	// do a system call)
	veryLong := "l" + strings.Repeat("o", 248) + "ng"
	for _, test := range []struct{ in, want string }{
		// Short; unchanged:
		{`C:\short.txt`, `C:\short.txt`},
		{`C:\`, `C:\`},
		{`C:`, `C:`},
		// The "long" substring is replaced by a looooooong

	if !dryRun {
		if globalIsDistErasure {
			ng := WithNPeers(len(globalNotificationSys.peerClients))
			for idx, client := range globalNotificationSys.peerClients {
				_, ok := failedClients[idx]
				if ok {
					continue
				}
				client := client
				ng.Go(ctx, func() error {
					return client.CommitBinary(ctx)
				}, idx, *client.host)
			}

			for _, nerr := range ng.Wait() {
				if nerr.Err != nil {