* fcl-db: tests: better error reporting



git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@28028 3ad0048d-3df7-0310-abae-a5850022a9f2
* fcl-db: cosmetic



git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@28029 3ad0048d-3df7-0310-abae-a5850022a9f2