Resolve "Some gtests not passing"

Closes #241 (closed)

test/gtest_problem.cpp

@@ -22,6 +22,13 @@ using namespace wolf;
 using namespace Eigen;
 
 
+// Register in the ProcessorFactory
+#include "core/processor/processor_factory.h"
+namespace wolf {
+WOLF_REGISTER_PROCESSOR("TRACKER FEATURE DUMMY", ProcessorTrackerFeatureDummy)
+} // namespace wolf
+
+
 WOLF_PTR_TYPEDEFS(DummySolverManager);
 
 class DummySolverManager : public SolverManager