test: add failing test case #1371

[nujhong]

Test for issue https://github.com/google/autocxx/issues/1371

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[adetaylor]

Thanks - please resolve the CLA thing then I'll take a look. As noted on #1371, though, the naming stuff is pretty fragile so this may not be an easy fix. I keep embarking on rewrites of that bit to make it maintainable but so far have always given up.

[adetaylor]

Replaced by #1430.