fix test failure

tests/application/modules/admin/controllers/AlbumControllerDilicomPNBTest.php

@@ -264,12 +264,18 @@ class Admin_AlbumControllerDilicomPNBExportCsvTest extends Admin_AlbumController
 
   public function setUp() {
     parent::setUp();
-     Class_Album_UsageConstraints::setTimeSource(new TimeSourceForTest('2015-12-04 14:14:14'));
+    Class_Album_UsageConstraints::setTimeSource(new TimeSourceForTest('2015-12-04 14:14:14'));
 
     $this->dispatch('admin/album/dilicom-export-csv', true);
   }
 
 
+  public function tearDown() {
+    Class_Album_UsageConstraints::setTimeSource(null);
+    parent::tearDown();
+  }
+
+
   /** @test */
   public function filenameShouldBeDilicomCsv() {
     $this->assertContains(['name' => 'Content-Type',