iotests: Restrict some Python tests to file

Most Python tests are restricted to the file protocol (without
explicitly saying so), but these are the ones that would break
./check -fuse -qcow2.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20201027190600.192171-14-mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2 files changed