separate unittest folder

unittests/CatchDefinitions.h

@@ -0,0 +1,21 @@
+#ifndef FSFW_UNITTEST_CORE_CATCHDEFINITIONS_H_
+#define FSFW_UNITTEST_CORE_CATCHDEFINITIONS_H_
+
+#include <fsfw/ipc/messageQueueDefinitions.h>
+#include <fsfw/returnvalues/HasReturnvaluesIF.h>
+#include <fsfw/storagemanager/StorageManagerIF.h>
+
+namespace retval {
+static constexpr int CATCH_OK = static_cast<int>(HasReturnvaluesIF::RETURN_OK);
+static constexpr int CATCH_FAILED = static_cast<int>(HasReturnvaluesIF::RETURN_FAILED);
+}  // namespace retval
+
+namespace tconst {
+static constexpr MessageQueueId_t testQueueId = 42;
+}
+
+namespace tglob {
+StorageManagerIF* getIpcStoreHandle();
+}
+
+#endif /* FSFW_UNITTEST_CORE_CATCHDEFINITIONS_H_ */