Fix check_multi_schema to actually check the column type change
Fix check_multi_schema to actually check the column type change

Field 'e' was supposed to be read as blob but the test had a bug
and the read schema was treating that field as int. This patch
changes that and makes the test really check column type change.

Signed-off-by: Piotr Jastrzebski <2c0eb4a25a7cde333ff2d0860cb06051925fd74f@scylladb.com>

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