working on test coverage
diff --git a/examples/all_features/logging.cpp b/examples/all_features/logging.cpp
index 905fa99..5d35d67 100644
--- a/examples/all_features/logging.cpp
+++ b/examples/all_features/logging.cpp
@@ -21,7 +21,8 @@
 
 static int someTests() {
     int some_var = 42;
-    INFO("lots of captures - some on heap: " << some_var << " " << some_var << " " << some_var);
+    INFO("lots of captures - some on heap: " << some_var << " " << some_var << " " << some_var << ";");
+    FAIL_CHECK("forcing the many captures (including those on the heap) to be stringified");
     return some_var;
 }