This makes sure we are checking that the golden outputs for the protoprint package are all valid proto source files. This is particularly important since protoprint doesn't yet support editions, so can't be used to verify the editions test case file.
This makes sure we are checking that the golden outputs for the protoprint package are all valid proto source files. This is particularly important since protoprint doesn't yet support editions, so can't be used to verify the editions test case file.