when removing networks in integration tests, we should should force; otherwise if the network has containers associated with it, it will fail to remove.
Signed-off-by: Brent Baude <bbaude@redhat.com>
Rather than checking for non-zero, we need to check for >0 to
distinguish between timeouts and error exit codes.
Signed-off-by: Jhon Honce <jhonce@redhat.com>