modified test in order not to depend on sorting order

tests/Composer/Test/Repository/ArtifactRepositoryTest.php

@@ -22,10 +22,10 @@ class ArtifactRepositoryTest extends TestCase
     public function testExtractsConfigsFromZipArchives()
     {
         $expectedPackages = array(
+            'vendor0/package0-0.0.1',
             'composer/composer-1.0.0-alpha6',
             'composer/composer-dev-master',
             'composer/composer-1.0.x-dev',
-            'vendor0/package0-0.0.1',
             'vendor1/package2-4.3.2',
         );
 
@@ -36,6 +36,9 @@ class ArtifactRepositoryTest extends TestCase
             return "{$package->getPrettyName()}-{$package->getPrettyVersion()}";
         }, $repo->getPackages());
 
-        $this->assertEquals($expectedPackages, $foundPackages);
+        sort($expectedPackages);
+        sort($foundPackages);
+
+        $this->assertSame($expectedPackages, $foundPackages);
     }
 }