cram: Added test for invalid CLI flags
cram: Added test for invalid CLI flags

Snaipe/Criterion,Snaipe/Criterion,Snaipe/Criterion,am11/Criterion,a1lu/Criterion,am11/Criterion,a1lu/Criterion,offa/Criterion,offa/Criterion,offa/Criterion,am11/Criterion,offa/Criterion,offa/Criterion,Snaipe/Criterion,a1lu/Criterion,Snaipe/Criterion,a1lu/Criterion,am11/Criterion,am11/Criterion,a1lu/Criterion