Fix evemu on systems not showing properties

If the system does not present the properties bit, evemu does not
show it.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
testsuite: fix hid-replay path

Use the installed one, not some personal stuff.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
testsuite: fix error "execv() argument 1 must be encoded string without NULL bytes, not str"

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>