[Issue 18097] [REG2.077] Unittest function is undefined identifier

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=18097

--- Comment #2 from Atila Neves <atila.neves at gmail.com> ---
I have a potential fix but am waiting on another PR of mine since there will be
merge conflicts.

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