tests/aggregate_fcts_test: Add test case for wrapped types
tests/aggregate_fcts_test: Add test case for wrapped types

Provide a test case which checks a type being wrapped in a
reverse_type plays no role in assignment.

Refs #3789

Signed-off-by: Duarte Nunes <a60e8b7496f7715d71354fe4c06dd24017025bf1@scylladb.com>
Message-Id: <20180927223201.28152-2-a60e8b7496f7715d71354fe4c06dd24017025bf1@scylladb.com>

avikivity/scylla,scylladb/scylla,avikivity/scylla,scylladb/scylla,avikivity/scylla,scylladb/scylla,scylladb/scylla