diff --git a/core/src/test/java/org/springframework/security/core/SpringSecurityMessageSourceTests.java b/core/src/test/java/org/springframework/security/core/SpringSecurityMessageSourceTests.java
index 1458bedf85..5fd397ace4 100644
--- a/core/src/test/java/org/springframework/security/core/SpringSecurityMessageSourceTests.java
+++ b/core/src/test/java/org/springframework/security/core/SpringSecurityMessageSourceTests.java
@@ -30,7 +30,8 @@ import java.util.Locale;
 public class SpringSecurityMessageSourceTests extends TestCase {
     //~ Methods ========================================================================================================
 
-	public void testOperation() {
+    public void testOperation() {
+        fail("deliberate test failure");
         SpringSecurityMessageSource msgs = new SpringSecurityMessageSource();
         assertEquals("\u4E0D\u5141\u8BB8\u8BBF\u95EE", msgs.getMessage("AbstractAccessDecisionManager.accessDenied", null, Locale.SIMPLIFIED_CHINESE));
     }