INTERFACE/ANALYZER: Normalize computed descriptors before writing it.

Signed-off-by: Gama <misept.dieseneuf@gmail.com>
INTERFACE/ANALYZER: Now actually test the normalized output.

Signed-off-by: Gama <misept.dieseneuf@gmail.com>
TESTS/INTERFACE: Add minor comment

Signed-off-by: Gama <misept.dieseneuf@gmail.com>