Adding new screenshot test case: Themes admin page

core/Theme.php

@@ -59,7 +59,7 @@ class Theme
             '~(src|href)=[\'"]([^\'"]+)[\'"]~',
 
             // rewrite images in CSS files, i.e. url(plugins/Morpheus/overrides/themes/default/images/help.png);
-            '~(url\()[\'"]([^\)]?[themes|plugins]+[^\)]+[.jpg|png|gif|svg]?)[\'"][\)]~',
+            '~(url\()[\'"]([^\)]?[plugins]+[^\)]+[.jpg|png|gif|svg]?)[\'"][\)]~',
 
             // rewrites images in JS files
             '~(=)[\s]?[\'"]([^\'"]+[.jpg|.png|.gif|svg]?)[\'"]~',

tests/PHPUnit/IntegrationTestCase.php

@@ -187,7 +187,9 @@ abstract class IntegrationTestCase extends PHPUnit_Framework_TestCase
         Piwik::setUserIsSuperUser();
 
         Cache::deleteTrackerCache();
-        if ($installPlugins === null) $installPlugins = $createEmptyDatabase;
+        if ($installPlugins === null) {
+            $installPlugins = $createEmptyDatabase;
+        }
         static::installAndLoadPlugins( $installPlugins);
 
 

tests/PHPUnit/UITest.php

@@ -113,7 +113,7 @@ abstract class UITest extends IntegrationTestCase
         
         parent::tearDownAfterClass();
     }
-    
+
     public function setUp()
     {
         parent::setUp();
@@ -262,6 +262,11 @@ Screenshot diff: $diffPath\n";
             }
         }
 
+        self::createProxySymlinks();
+    }
+
+    private static function createProxySymlinks()
+    {
         foreach (self::$recursiveProxyLinkNames as $linkName) {
             $linkPath = PIWIK_INCLUDE_PATH . '/tests/PHPUnit/proxy/' . $linkName;
             if (!file_exists($linkPath)) {