diff --git a/src/test/java/org/apache/maven/shared/filtering/DefaultMavenResourcesFilteringTest.java b/src/test/java/org/apache/maven/shared/filtering/DefaultMavenResourcesFilteringTest.java
index 2ac8ee2..58ddf13 100644
--- a/src/test/java/org/apache/maven/shared/filtering/DefaultMavenResourcesFilteringTest.java
+++ b/src/test/java/org/apache/maven/shared/filtering/DefaultMavenResourcesFilteringTest.java
@@ -415,6 +415,8 @@ private void assertMessage(String directory, String expectedMessagePattern) thro
         String message =
                 output.substring(output.indexOf(marker) + marker.length() + 3).trim();
 
+        System.out.println(message);
+        System.out.println(expectedMessagePattern);
         boolean matches = message.matches(expectedMessagePattern);
         assertTrue(matches, "expected: '" + expectedMessagePattern + "' does not match actual: '" + message + "'");
         console.release();