separate unittest folder

unittests/CatchSetup.cpp

@@ -0,0 +1,31 @@
+#include "CatchDefinitions.h"
+#include "CatchFactory.h"
+
+#ifdef GCOV
+#include <gcov.h>
+#endif
+
+#include "fsfw/objectmanager/ObjectManager.h"
+#include "fsfw/serviceinterface/ServiceInterface.h"
+#include "fsfw/storagemanager/StorageManagerIF.h"
+
+/* Global instantiations normally done in main.cpp */
+/* Initialize Data Pool */
+
+#if FSFW_CPP_OSTREAM_ENABLED == 1
+namespace sif {
+/* Set up output streams */
+ServiceInterfaceStream debug("DEBUG");
+ServiceInterfaceStream info("INFO");
+ServiceInterfaceStream error("ERROR");
+ServiceInterfaceStream warning("WARNING");
+}  // namespace sif
+#endif
+
+int customSetup() {
+  // global setup
+  ObjectManager* objMan = ObjectManager::instance();
+  objMan->setObjectFactoryFunction(Factory::produceFrameworkObjects, nullptr);
+  objMan->initialize();
+  return 0;
+}