Keep trivial records on exact reference metrics

packing_benchmark/store.py

@@ -158,7 +158,7 @@ class SolutionStore:
             if reference is None:
                 best[key] = coordinate
                 continue
-            if is_trivial_record(reference):
+            if is_trivial_record(reference) and is_trivial_record(coordinate):
                 best[key] = reference
                 continue
             if metric_matches_reference(coordinate, reference):