public function testDump() {
$dumper = new XmlDumper($container = new ContainerBuilder());
$this
->assertXmlStringEqualsXmlFile(self::$fixturesPath . '/xml/services1.xml', $dumper
->dump(), '->dump() dumps an empty container as an empty XML file');
$container = new ContainerBuilder();
$dumper = new XmlDumper($container);
}