This introduces the test when attending UK
https://www.iglobe.hk/blog/posts/lifeinuktest
>/=65 yo is NOT required to take the exam for ILR ; (Expected 2023 Summer to launch)
Feb 2026 = 60yo & ready for going to UK;
Feb 2031 = 65yo & ready for ILR
https://www.gov.uk/life-in-the-uk-test
Indefinite leave to remain (ILR)
https://www.gov.uk/british-national-overseas-bno-visa/living-permanently-in-the-uk