Fix failing test

modules/ExportPlugin/src/test/resources/org/gephi/io/exporter/plugin/infinity.gexf

 <?xml version="1.0" encoding="UTF-8"?>
-<gexf xmlns="http://www.gexf.net/1.3" version="1.3" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.gexf.net/1.3 http://www.gexf.net/1.3/gexf.xsd">
+<gexf xmlns="http://gexf.net/1.3" version="1.3" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://gexf.net/1.3 http://gexf.net/1.3/gexf.xsd">
     <graph defaultedgetype="directed" mode="static">
         <attributes class="node" mode="static">
             <attribute id="value" title="value" type="double"></attribute>