major cleanup of the test folders CMakeLists.txt

The new code does not rely on globally defined include directories
anymore. Additionally a lot of conditional code and has been removed
which improves readability a lot.

test/util-test.cc

@@ -410,7 +410,7 @@ struct ArgInfo;
   template <> \
   struct ArgInfo<Arg::type_code> { \
     static Type get(const Arg &arg) { return arg.field; } \
-  };
+  }
 
 ARG_INFO(INT, int, int_value);
 ARG_INFO(UINT, unsigned, uint_value);