[PATCH 0/8] MR6028: Cmd engine rewrite (part XVIII)

[eric pouech (＠epo)]

This is part XVIII of cmd engine rewrite.

It mainly focuses on setting the expected return code for
some builtin functions.
Includes also a fix for pipe inside a redirection (spotted by
the added tests).

-- 
https://gitlab.winehq.org/wine/wine/-/merge_requests/6028