Add PHPUnit noNamespaceSchemaLocation

Author: scheb

phpunit.xml.dist

@@ -1,7 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
-
-<phpunit bootstrap="./vendor/autoload.php" colors="true">
-
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:noNamespaceSchemaLocation="./vendor/phpunit/phpunit/phpunit.xsd"
+         bootstrap="./vendor/autoload.php"
+         colors="true"
+>
     <testsuites>
         <testsuite name="SchebTwoFactorBundle test suite">
             <directory suffix="Test.php">./Tests</directory>