Add missing @Override
diff --git a/src/test/java/org/apache/commons/configuration2/web/TestServletFilterConfiguration.java b/src/test/java/org/apache/commons/configuration2/web/TestServletFilterConfiguration.java
index 0b6dd8d..c3de90f 100644
--- a/src/test/java/org/apache/commons/configuration2/web/TestServletFilterConfiguration.java
+++ b/src/test/java/org/apache/commons/configuration2/web/TestServletFilterConfiguration.java
@@ -93,6 +93,7 @@
         assertThrows(UnsupportedOperationException.class, super::testClearProperty);
     }
 
+    @Override
     @Test
     public void testContainsValue() {
         assertFalse(getConfiguration().containsValue(null));