CSVInstanceReader and CSVInstanceWriter testcases.

Change-Id: Ib2910838a5880beb2fa56d2e0caa66d9d375c87e
Reviewed-on: http://gerrit.esdi-community.eu/3110
Tested-by: Jenkins <sitemple@igd.fraunhofer.de>
Reviewed-by: Simon Templer <simon.templer@igd.fraunhofer.de>