tests: args can use `$WRITE` instead of guessing the right outfile name

[nit.git] / tests / sav / error_needed_method_alt2.res

alt/error_needed_method_alt2.nit:47,10--27: Cannot instantiate interface Collection[Int].
alt/error_needed_method_alt2.nit:47,1--40: Type Error: Expected method 'iterator' in type Collection[Int]