$ VIR_TEST_DEBUG=1 ./qemuxml2argvtest 2>&1 | grep -B5 FAILED
1424) QEMU XML-2-ARGV user-aliases                                      ...
In '/home/nert/dev/libvirt/upstream/tests/qemuxml2argvdata/user-aliases.args':
Offset 2110
Expect [ ]
Actual [,vhost=on,vhostfd=3 ]
                                                                      ... FAILED
$ VIR_TEST_RANGE=1424 ./qemuxml2argvtest
TEST: qemuxml2argvtest
          797 OK
$ ./qemuxml2argvtest 2>&1 | grep '!'
      ._._._._._._._._._...._!._._._._._       1434 FAIL