is life in the uk test required for ilr

I am not sure what you mean, for the irl you can find information govtilr.org/faq.htm. Can you be more specific about what test?
 
The Life in the UK test is only for citizenship/to naturalise. You don't need it for permanent residency/indefinite leave to remain.
 
Slightly outdated topic but to clarify - you need to pass Life in the UK test once and it is normally prior to ILR. If you already have ILR and did not pass the test then you will have to pass it prior to applying for nationality.
 
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