Added also tests and the associated option for the command line Merge
command.
Bug: 335091
Change-Id: Ie321c572284a6f64765a81674089fc408a10d059
Signed-off-by: Christian Halstrick <christian.halstrick@sap.com>
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>