Fix failing tests with new plexus-utils
diff --git a/src/test/java/org/apache/maven/plugins/pdf/DocumentModelBuilderTest.java b/src/test/java/org/apache/maven/plugins/pdf/DocumentModelBuilderTest.java
index f8c2770..bb50bfb 100644
--- a/src/test/java/org/apache/maven/plugins/pdf/DocumentModelBuilderTest.java
+++ b/src/test/java/org/apache/maven/plugins/pdf/DocumentModelBuilderTest.java
@@ -65,7 +65,7 @@
     {
         DocumentModel model = new DocumentModelBuilder( new ModelBuilderMavenProjectStub() ).getDocumentModel();
 
-        assertEquals( "ISO-8859-1", model.getModelEncoding() );
+        assertEquals( "UTF-8", model.getModelEncoding() );
         assertEquals( "Test ArtifactId", model.getOutputName() );
 
         DocumentCover cover = model.getCover();
diff --git a/src/test/resources/unit/pdf/pom_model_builder.xml b/src/test/resources/unit/pdf/pom_model_builder.xml
index 0608d22..d62638d 100644
--- a/src/test/resources/unit/pdf/pom_model_builder.xml
+++ b/src/test/resources/unit/pdf/pom_model_builder.xml
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="ISO-8859-1"?>
+<?xml version="1.0"?>
 
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