unittest folder added

unittest/core/CatchRunner.cpp

@@ -0,0 +1,27 @@
+/**
+ * @file 	CatchSource.cpp
+ * @brief 	Source file to compile catch framework.
+ * @details	All tests should be written in other files.
+ * For eclipse console output, install ANSI Escape in Console
+ * from the eclipse market place to get colored characters.
+ */
+
+#ifndef NO_UNIT_TEST_FRAMEWORK
+
+#define CATCH_CONFIG_RUNNER
+#include <fsfw/unittest/catch2/catch.hpp>
+
+extern int customSetup();
+
+int main( int argc, char* argv[] ) {
+    customSetup();
+
+    // Catch internal function call
+    int result = Catch::Session().run( argc, argv );
+
+    // global clean-up
+    return result;
+}
+
+
+#endif