Added test class to the SpotterServiceResponse.

Removed unnecessary call to super constructor in SpotterServiceResponse.

Change-Id: I6facb299825fb56a51c97b2561fc6ab6b65ca10c
Signed-off-by: Peter Merkert <p.merkert@sap.com>
Merge pull request #82 from PeterMerkert/master

Added test class to the SpotterServiceResponse.