test: add additional fs memory management checks
test: add additional fs memory management checks

This commit adds checks for fs request values when a call
fails with UV_EINVAL.

PR-URL: https://github.com/libuv/libuv/pull/1752
Reviewed-By: Ben Noordhuis <59bd0a3ff43b32849b319e645d4798d8a5d1e889@bnoordhuis.nl>

unknownbrackets/maxcso,unknownbrackets/maxcso,unknownbrackets/maxcso,unknownbrackets/maxcso,unknownbrackets/maxcso,unknownbrackets/maxcso,unknownbrackets/maxcso