REGTESTS: mcli: test the pipelined commands on master CLI

A recent fix broke the pipelined command on the master CLI, this
reg-tests implement a simple test that allow to check its right
behavior.

This could be backported as far as 2.6.

(cherry picked from commit fe5ddcc4901e3b43e58f5cf903c500a69d091b57)
Signed-off-by: Christopher Faulet <cfaulet@haproxy.com>
(cherry picked from commit 3ce79401b3d208233ec207f18781f6fbb0720f16)
Signed-off-by: Christopher Faulet <cfaulet@haproxy.com>
(cherry picked from commit b37a74369e83e37f2465bde121d96f9d63e3f5a0)
Signed-off-by: Willy Tarreau <w@1wt.eu>
1 file changed