Added test to the spotter.client package. Needed to mock a
WorkloadExtension. This is registered in the extensions.info file.

Added the spotter.service package as to the test scope of maven. We need
the package in the test environment.

Change-Id: I5670a0077a4df9c373eb0da8fc28da3b551f6f62
Signed-off-by: Peter Merkert <p.merkert@sap.com>
Fixed method name in SpotterServiceTest.


Change-Id: I862341841b57ea3e87c1b5996ab75e1058bc15bc
Signed-off-by: Peter Merkert <p.merkert@sap.com>