Index: trunk/test/unit/org/openstreetmap/josm/data/oauth/OAuth20AuthorizationTest.java
===================================================================
--- trunk/test/unit/org/openstreetmap/josm/data/oauth/OAuth20AuthorizationTest.java	(revision 18665)
+++ trunk/test/unit/org/openstreetmap/josm/data/oauth/OAuth20AuthorizationTest.java	(revision 18666)
@@ -3,6 +3,6 @@
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
-import static org.junit.jupiter.api.Assertions.assertFalse;
 import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertNull;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 
@@ -208,5 +208,5 @@
             client.disconnect();
         }
-        assertFalse(consumer.get().isPresent());
+        assertNull(consumer.get(), "The OAuth consumer should not be called since the state does not match");
     }
 }