Temporarily exclude one more line from coverage.
Temporarily exclude one more line from coverage.

None of the interfaces have properties right now.

Signed-off-by: mulhern <7b51bcf507bcd7afb72bf8663752c0ddbeb517f6@redhat.com>

mulkieran/stratisd,trgill/stratisd,stratis-storage/stratisd,stratis-storage/stratisd,mulkieran/stratisd,trgill/stratisd,stratis-storage/stratisd-client-dbus,stratis-storage/stratisd