checking in a test case that will reproduce
the error on v5r4.

mysql-test/suite/ibmdb2i/include/have_i54.inc:
  Bug#44232 Error msg should be improved when collation not supported.
mysql-test/suite/ibmdb2i/r/ibmdb2i_bug_44232.result:
  Bug#44232 Error msg should be improved when collation not supported.
mysql-test/suite/ibmdb2i/t/ibmdb2i_bug_44232.test:
  Bug#44232 Error msg should be improved when collation not supported.