If you are comfortable with 3/32 then by all means use it, however you will be hard pressed to find many jobs in the field that will have you use small dia. wire, most jobs you will find 1/8 in use.
When I tested, no one even thought about testing unless they were sure that they had the skill, even then, some had to retest.
Good idea to be cert. 6g for structure, good luck.
Ed