two dummy sequences

ref-metrics.py

@@ -167,6 +167,8 @@ class UserFriendlyMetrics(evaluate.Metric):
             dummy_output["model_1"]["per_sequence"]["sequence_1"][
                 area_name
             ] = generate_random_values()
-
+            dummy_output["model_1"]["per_sequence"]["sequence_2"][
+                area_name
+            ] = generate_random_values()
         return dummy_output