Add sysbench-test-io

Add command with this:

```
curl -s https://packagecloud.io/install/repositories/akopytov/sysbench/script.deb.sh | sudo bash && apt update && apt -y install sysbench && sysbench --test=fileio prepare && sysbench --test=fileio --file-test-mode=rndrw run && sysbench --test=fileio cleanup
```