The format seems to have changed. Please confirm. If yes, then i'll fix it.
Yes, I confirm it.
Also, I searched for [Nservers] and no other response contains that string. It means the response format is proprietary and is not shared with any other existing server.
Update whois.nic.lv parser
The whois.nic.lv server response format has been changed. This is the minimal change to check the availability of .lv domains. Fixes #145
Restore tests removed in ad2e2d3 (references GH-145, GH-146)
Fix invalid date in test (references GH-145, GH-146)