testsuite: fix corner case in ureport test

Related to rhbz#1053042.

Signed-off-by: Martin Milata <mmilata@redhat.com>
testsuite: test for authenticated ureports

Please note that the certificates in cert/ can be regenerated by the
generate_certs.sh script. They are provided here for convenience and
performance.

Related to rhbz#1053042.

Signed-off-by: Martin Milata <mmilata@redhat.com>
Merge pull request #792 from abrt/rhbz1053042-ureport-auth-test

testsuite: test for authenticated ureports