Glad to hear it’s working.
For future reference, in such cases, you can in fact continue to test/develop such content in Fixlet Debugger using the ‘Local Client Evaluator’ option (it essentially asks the question via the BigFix Client and its context rather than the Fixlet Debugger’s context):

And as you can see, with newer versions (9.5.13+), you can even test these using BigFix Query.