[[Module:inflection/data/ru-noun/testcases/m-cdef]]

...and a few other testcases pages are in Category:Pages with module errors, although there's language in MediaWiki:Scribunto-common-error-category that puts most testcases pages into the hidden subcategory. Can you figure out how to exclude these pages, too? Thanks.

I think those may be a different type of module error than the ones normally found in testcases pages: User:Vitalik changed the directory structure without bothering to change the "require" statements to point to the new locations. I fixed a batch of them, but got tired of it. You would think that someone doing extended heavy module-programming work would check Category:Pages with module errors every once in a while, but I guess they would rather let us do it for them...