runtests: add ability to exclude tests

Add TEST_EXCLUDE configuration option to be able to skip specified
tests. This is usefull in situations when certain tests are causing
problems that are not yet fixed, but I'd still want to see if any of the
changes made didn't break anything else.

Signed-off-by: Lukas Czerner <lczerner@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2 files changed