set timezone in SymlinkDumperTest, fix #704 again

src/Packagist/WebBundle/Tests/Package/SymlinkDumperTest.php

@@ -50,10 +50,11 @@ class SymlinkDumperTest extends \PHPUnit_Framework_TestCase
                 strtotime('2015-01-01'),
                 array(
                     'latest'  => '2014-12-22',
-                    '2014-01' => '2014-01-01',
+                    '2015-01' => '2015-01-01',
                     '2014-10' => '2014-10-01',
                     '2014-07' => '2014-07-01',
                     '2014-04' => '2014-04-01',
+                    '2014'    => '2014-01-01',
                     '2013'    => '2013-01-01',
                 ),
             ),