[PATCH 1/2] Remove previous test files before running the next round

[Mark Wielaard]

On Mon, Jul 16, 2018 at 12:01:21PM +0200, Ulf Hermann wrote:
> strip explicitly creates the new files. This will not work on windows if
> the files already exist.
> 
> Also, if strip fails to create the files for any reason, we would check
> the previous run's files and succeed. However, the test should fail
> then.

This makes sense and does uncover a bug as your second patch shows.
I want to fix that first and only then commit this fix. That way we
don't have the testsuite failing between commits.

Thanks,

Mark