diff -u b/lib/Drupal/pgn/Tests/XmlEncoderUnitTest.php b/lib/Drupal/pgn/Tests/XmlEncoderUnitTest.php
--- b/lib/Drupal/pgn/Tests/XmlEncoderUnitTest.php
+++ b/lib/Drupal/pgn/Tests/XmlEncoderUnitTest.php
@@ -8861,7 +8861,7 @@
 
   protected $pgnxml = <<<'EOPGNXML'
 <?xml version="1.0"?>
-<PGNGAMES xmlns="x-schema:pgn.xdr">
+<PGNGAMES>
 <game>
 <info>
 <Event>Salzburg</Event>
@@ -10020,10 +10020,15 @@
     );
   }
 
+  protected function setUp() {
+    parent::setUp();
+    $this->pgnxml = strtr($this->pgnxml, array("\n" => ''));
+  }
+
   public function testXmlEncoder() {
     $encoder = new XmlEncoder();
     $encoded = $encoder->encode($this->normalized, 'pgnxml', array('xml_root_node_name' => 'PGNGAMES'));
-    $this->assertIdentical($this->pgnxml, $encoded);
+    $this->assertIdentical($this->pgnxml, $encoded, 'Encoded PGN data is identical to expected PGNXML string value.');
   }
 
 }