The season finally got over with Pakistan’s effortless 2-0 win over Zimbabwe.
The ICC Test ranking tables as on 11 May:
https://www.icc-cricket.com/rankings/mens/team-rankings/test
It does not include Afghanistan and Ireland because of insufficient matches.
Then there is the table for the WTC Test Championship of 2019-21
https://www.icc-cricket.com/world-test-championship/standings
It is unclear what form the WTC will take in 2021-23 (or, indeed, if it will take place at all). If the restriction of the top 9 teams are taken, it may happen that Afghanistan will replace Bangladesh.