diff --git a/pmd-java/src/test/resources/net/sourceforge/pmd/lang/java/rule/errorprone/xml/AvoidDuplicateLiterals.xml b/pmd-java/src/test/resources/net/sourceforge/pmd/lang/java/rule/errorprone/xml/AvoidDuplicateLiterals.xml
index e86665b847..619eb56c84 100644
--- a/pmd-java/src/test/resources/net/sourceforge/pmd/lang/java/rule/errorprone/xml/AvoidDuplicateLiterals.xml
+++ b/pmd-java/src/test/resources/net/sourceforge/pmd/lang/java/rule/errorprone/xml/AvoidDuplicateLiterals.xml
@@ -15,6 +15,7 @@ public class Foo {
         buz("Howdy");
         buz("Howdy");
     }
+    private void buz(String x) {}
 }
         ]]></code>
     </test-code>
@@ -27,6 +28,7 @@ public class Foo {
     private void bar() {
         buz(2);
     }
+    private void buz(int x) {}
 }
         ]]></code>
     </test-code>
@@ -86,6 +88,7 @@ public class Foo {
         buz("Howdy");
         buz("Howdy");
     }
+    private void buz(String x) {}
 }
         ]]></code>
     </test-code>
@@ -100,6 +103,7 @@ public class Foo {
         buz("Howdy"); buz("Howdy"); buz("Howdy"); buz("Howdy");
         buz("foo"); buz("foo"); buz("foo"); buz("foo");
     }
+    private void buz(String x) {}
 }
         ]]></code>
     </test-code>
@@ -115,6 +119,7 @@ public class Foo {
         buz("Howdy"); buz("Howdy"); buz("Howdy"); buz("Howdy");
         buz("foo"); buz("foo"); buz("foo"); buz("foo");
     }
+    private void buz(String x) {}
 }
         ]]></code>
     </test-code>
@@ -128,6 +133,7 @@ public class Foo {
     private void bar() {
         buz("Howdy"); buz("Howdy"); buz("Howdy"); buz("Howdy");
     }
+    private void buz(String x) {}
 }
         ]]></code>
     </test-code>
@@ -141,6 +147,7 @@ public class Foo {
     private void bar() {
         buz("foo"); buz("foo"); buz("foo"); buz("foo");
     }
+    private void buz(String x) {}
 }
         ]]></code>
     </test-code>
@@ -154,6 +161,7 @@ public class Foo {
         buz("foo"); buz("foo"); buz("foo"); buz("foo");
         buz("fo"); buz("fo"); buz("fo"); buz("fo");
     }
+    private void buz(String x) {}
 }
         ]]></code>
     </test-code>