question: private void validateTableMetaDataNoRow ( String tableNamePattern , String [ ] types ) throws Exception { try ( ResultSet tables = dbmd . getTables ( null , null , tableNamePattern , types ) ) { assertFalse ( String . format ( "Expected empty result set for requesting %s with types %s" , tableNamePattern , Arrays . toString ( types ) ) , tables . next ( ) ) ; } }
target:  Helper method for test methods that retrieve metadata expecting no results.