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
@@ -10020,15 +10020,19 @@
     );
   }
 
-  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, 'Encoded PGN data is identical to expected PGNXML string value.');
+
+    $expected = new DOMDocument;
+    $expected->preserveWhiteSpace = FALSE;
+    $expected->loadXML($this->pgnxml);
+
+    $actual = new DOMDocument;
+    $actual->preserveWhiteSpace = FALSE;
+    $actual->loadXML($encoded);
+
+    $this->assertEqual($expected, $actual, 'Encoded PGN data is equal to expected PGNXML.');
   }
 
 }