MAGETWO-31422: XML file syntax error does not report file name error is in

- fixed naming in test.

Author: Ivan Gavryshko

dev/tests/unit/testsuite/Magento/Framework/Xml/ParserTest.php

@@ -11,13 +11,6 @@ class ParserTest extends \PHPUnit_Framework_TestCase
     /** @var \Magento\Framework\Xml\Parser */
     protected $parser;
 
-    /**
-     * A sample invalid XML
-     *
-     * @var string
-     */
-    private static $sampleXml = '<?xml version="1.0"?><config></onfig>';
-
     protected function setUp()
     {
         $this->parser = new \Magento\Framework\Xml\Parser();
@@ -43,9 +36,10 @@ public function testGetXml()
      * @expectedException \Magento\Framework\Exception
      * @expectedExceptionMessage DOMDocument::loadXML(): Opening and ending tag mismatch
      */
-    public function testInvalidXml()
+    public function testLoadXmlInvalid()
     {
+        $sampleInvalidXml = '<?xml version="1.0"?><config></onfig>';
         $this->parser->initErrorHandler();
-        $this->parser->loadXML(self::$sampleXml);
+        $this->parser->loadXML($sampleInvalidXml);
     }
 }