with all the details of requirements for getting a Qatari licence without the test. What I understand is that British/US and GCC licences are frequently accepted (if not always). It doesn't seem to depend on nationality - rather the country where the existing licence was obtained.

I am reasoning based on whatI've seen/heard so it may not be gospel truth.

*** Light travels faster than sound. That's why most people appear bright until they open their mouths.