Add missing @Override
diff --git a/src/test/java/org/apache/commons/configuration2/web/TestServletRequestConfiguration.java b/src/test/java/org/apache/commons/configuration2/web/TestServletRequestConfiguration.java
index be3328a..cd862c1 100644
--- a/src/test/java/org/apache/commons/configuration2/web/TestServletRequestConfiguration.java
+++ b/src/test/java/org/apache/commons/configuration2/web/TestServletRequestConfiguration.java
@@ -94,6 +94,7 @@
         assertThrows(UnsupportedOperationException.class, super::testClearProperty);
     }
 
+    @Override
     @Test
     public void testContainsValue() {
         assertFalse(getConfiguration().containsValue(null));