diff --git a/java/org/slub/rosetta/dps/repository/plugin/TestSLUBXmlFormatValidationPlugin.java b/java/org/slub/rosetta/dps/repository/plugin/TestSLUBXmlFormatValidationPlugin.java
index a28bcb6dd9c00282810795c372b0d6e22e48204a..9455d2af9e734e16c8e241d27f5847ca3e27b65f 100644
--- a/java/org/slub/rosetta/dps/repository/plugin/TestSLUBXmlFormatValidationPlugin.java
+++ b/java/org/slub/rosetta/dps/repository/plugin/TestSLUBXmlFormatValidationPlugin.java
@@ -11,7 +11,8 @@ import java.util.HashMap;
 import java.util.Map;
 import java.util.stream.Stream;
 
-import static org.junit.Assert.*;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
 
 /**
  * Tests for {@link SLUBXmlFormatValidationPlugin}.
@@ -29,7 +30,7 @@ public class TestSLUBXmlFormatValidationPlugin {
     public void setUp() {
         Stream<Path> findFiles;
         try {
-            findFiles = Files.find(Path.of("resources/test/mods"), 5, ((path, basicFileAttributes) -> Files.isRegularFile(path)));
+            findFiles = Files.find(Path.of("resources/test/"), 5, ((path, basicFileAttributes) -> Files.isRegularFile(path)));
             testPaths = findFiles.toArray(Path[]::new);
         } catch (IOException e) {
             // do nothing, because nothing found
@@ -50,7 +51,7 @@ public class TestSLUBXmlFormatValidationPlugin {
             assertTrue   ("validateFormat (pass), check if "+path+" exist",    Files.exists(path));
             assertTrue   ("validateFormat(" + path + "), returns valid?",      mock.validateFormat(path.toString()));
             assertTrue   ( "validateFormat(" + path + "), is wellformed?",     mock.isWellFormed());
-            assertNull   ( "validateFormat(" + path + "), reports no errors?", mock.getErrors());
+            assertTrue   ( "validateFormat(" + path + "), reports no errors?", mock.getErrors().isEmpty());
             assertNotNull("getValidationDetails(), " + path + ", not null",    mock.getValidationDetails());
             assertTrue   ("validateFormat(" + path + "), is valid?",           mock.isValid());