Changed Package class due to upstream changes

tests/Composer/Test/Package/Archiver/ArchiverTest.php

@@ -14,7 +14,7 @@ namespace Composer\Test\Package\Archiver;
 
 use Composer\Util\Filesystem;
 use Composer\Util\ProcessExecutor;
-use Composer\Package\MemoryPackage;
+use Composer\Package\Package;
 
 /**
  * @author Till Klampaeckel <till@php.net>
@@ -80,7 +80,7 @@ abstract class ArchiverTest extends \PHPUnit_Framework_TestCase
 
     protected function setupPackage()
     {
-        $package = new MemoryPackage('archivertest/archivertest', 'master', 'master');
+        $package = new Package('archivertest/archivertest', 'master', 'master');
         $package->setSourceUrl(realpath($this->testDir));
         $package->setSourceReference('master');
         $package->setSourceType('git');

tests/Composer/Test/Package/Archiver/MercurialArchiverTest.php

@@ -13,7 +13,7 @@
 namespace Composer\Test\Package\Archiver;
 
 use Composer\Package\Archiver\MercurialArchiver;
-use Composer\Package\MemoryPackage;
+use Composer\Package\Package;
 
 /**
  * @author Matthieu Moquet <matthieu@moquet.net>
@@ -93,7 +93,7 @@ class MercurialArchiverTest extends ArchiverTest
 
     protected function setupMercurialPackage()
     {
-        $package = new MemoryPackage('archivertest/archivertest', 'master', 'master');
+        $package = new Package('archivertest/archivertest', 'master', 'master');
         $package->setSourceUrl(realpath($this->testDir));
         $package->setSourceReference('default');
         $package->setSourceType('hg');