add marshal test specific to what csc emits
add marshal test specific to what csc emits

fnajera-rac-de/cecil,SiliconStudio/Mono.Cecil,sailro/cecil,jbevain/cecil,ttRevan/cecil,cgourlay/cecil,kzu/cecil,mono/cecil,joj/cecil,saynomoo/cecil,furesoft/cecil,xen2/cecil,gluck/cecil