compiles again

unittests/mocks/DeviceHandlerMock.h

@@ -23,6 +23,12 @@ class DeviceHandlerMock : public DeviceHandlerBase {
 
   ReturnValue_t initialize() override;
 
+  ReturnValue_t serializeDataset(sid_t structureId, uint8_t *buf, size_t maxSize) override;
+
+  ReturnValue_t specifyDatasets(std::vector<periodicHk::SetSpecification> &setList) override;
+
+  localpool::SharedPool *getOptionalSharedPool() override;
+
  protected:
   void doStartUp() override;
   void doShutDown() override;