Issue 4662 - Zend\Db\PDO adapter driver ignores charset option
Test for the getArrayCopy method in AbstractRestultSet

If you're using the `ArraySerializable` hydrator, then you will have a
method called `getArrayCopy` in your row object, so allow
`AbstractResultSet` to use it.
Merge branch 'hotfix/4662-pdo-adapter-ignoring-charset' of github.com:dlu-gs/zf2 into pr4973
Closes #4973
Merge pull request #5089 from akrabat/getarraycopy-check

Test for the getArrayCopy method in AbstractRestultSet
Merge branch 'feature/5089' into develop

Close #5089