Modified fixture setup.
Modified fixture setup.

Now we have:
 - test type describing whether it is serialization or deserialization;
 - serializer describing which serializer to use.

Currently we only have Migrant (generated or reflection based), but we could
attach ProtoBuf and so on based on this schema.

rogeralsing/Migrant,modulexcite/Migrant,modulexcite/Migrant,rogeralsing/Migrant,antmicro/Migrant,antmicro/Migrant