tests/generator_throw: Test .throw() into stopped generator.
tests/generator_throw: Test .throw() into stopped generator.

Should raise the exception being thrown.

Change-Id: I83e89c804adfc0fad5b8bee74d9e865a2e022619

pfalcon/micropython,pfalcon/micropython,pfalcon/micropython,pfalcon/micropython,pfalcon/micropython