REGTESTS: Add sample_fetches/cook.vtc

Add a reg-test verifying the fix in dea7c209f8a77b471323dd97bdc1ac4d7a17b812.

Some parts of the configuration used in the were taken from the initial bug
report from Maciej.

Should be backported together with dea7c209f8a77b471323dd97bdc1ac4d7a17b812
(all stable versions).

Co-authored-by: Maciej Zdeb <maciej@zdeb.pl>
(cherry picked from commit afe36e457fbc21d403004d664ff0d926f0dea401)
Signed-off-by: William Lallemand <wlallemand@haproxy.org>
1 file changed