The actual size of the image file may differ depending on the Linux
kernel currently running on the host. Filtering out this value makes
this test pass in such cases.
Signed-off-by: NMax Reitz <mreitz@redhat.com>
Reviewed-by: NBenoit Canet <benoit@irqsave.net>
Signed-off-by: NStefan Hajnoczi <stefanha@redhat.com>