It could happen that test data is already generated by a previous test.
(running in the same worker)
Make sure we clear everything before performing our checks.
Signed-off-by: moson <moson@archlinux.org>
Problem is that we join with PackageBase, thus we are missing
requests for packages that were deleted.
Fixes: #483
Signed-off-by: moson <moson@archlinux.org>