test: check that zstr_length validates the radix incorrectly
test: check that zstr_length validates the radix incorrectly

Signed-off-by: Mattias Andrée <3d72f033b30d63e7ff5f0b71398e9c45b66386a1@kth.se>

maandree/libzahl,maandree/libzahl,maandree/libzahl