Index: trunk/src/org/openstreetmap/josm/data/validation/tests/MapCSSTagChecker.java
===================================================================
--- trunk/src/org/openstreetmap/josm/data/validation/tests/MapCSSTagChecker.java	(revision 16038)
+++ trunk/src/org/openstreetmap/josm/data/validation/tests/MapCSSTagChecker.java	(revision 16039)
@@ -883,4 +883,5 @@
         // always clear the cache to make sure that we catch changes in geometry
         mpAreaCache.clear();
+        ruleToCheckMap.clear();
         super.endTest();
     }