diff --git a/library/Icinga/Test/BaseTestCase.php b/library/Icinga/Test/BaseTestCase.php
index 8caedf62d..fa7db57bd 100644
--- a/library/Icinga/Test/BaseTestCase.php
+++ b/library/Icinga/Test/BaseTestCase.php
@@ -117,18 +117,22 @@ namespace Icinga\Test {
          */
         public static function setupDirectories()
         {
-            $baseDir = realpath(__DIR__ . '/../../../');
-
+            $baseDir = getenv('ICINGAWEB_BASEDIR') ?: realpath(__DIR__ . '/../../../');
             if ($baseDir === false) {
                 throw new RuntimeException('Application base dir not found');
             }
 
+            $libDir = getenv('ICINGAWEB_ICINGA_LIB') ?: realpath($baseDir . '/library/Icinga');
+            if ($libDir === false) {
+                throw new RuntimeException('Icinga library dir not found');
+            }
+
             self::$appDir = $baseDir . '/application';
-            self::$libDir = $baseDir . '/library/Icinga';
+            self::$libDir = $libDir;
             self::$etcDir = $baseDir . '/etc';
             self::$testDir = $baseDir . '/test/php';
             self::$shareDir = $baseDir . '/share/icinga2-web';
-            self::$moduleDir = $baseDir . '/modules';
+            self::$moduleDir = getenv('ICINGAWEB_MODULES_DIR') ?: $baseDir . '/modules';
         }
 
         /**
diff --git a/modules/test/application/clicommands/PhpCommand.php b/modules/test/application/clicommands/PhpCommand.php
index b9aab4c5b..1ec80de2f 100644
--- a/modules/test/application/clicommands/PhpCommand.php
+++ b/modules/test/application/clicommands/PhpCommand.php
@@ -70,7 +70,10 @@ class PhpCommand extends Command
         }
 
         chdir(realpath(__DIR__ . '/../..'));
-        $command = $phpUnit . ' ' . join(' ', array_merge($options, $this->params->getAllStandalone()));
+        $command = $this->getEnvironmentVariables() . $phpUnit . ' ' . join(
+            ' ',
+            array_merge($options, $this->params->getAllStandalone())
+        );
         if ($this->isVerbose) {
             $res = `$command`;
             foreach (preg_split('/\n/', $res) as $line) {
@@ -173,4 +176,22 @@ class PhpCommand extends Command
 
         return $path;
     }
+
+    /**
+     * Setup some required environment variables
+     */
+    protected function getEnvironmentVariables()
+    {
+        $vars = array();
+        $vars[] = sprintf('ICINGAWEB_BASEDIR=%s', $this->app->getBaseDir());
+        $vars[] = sprintf('ICINGAWEB_ICINGA_LIB=%s', $this->app->getLibraryDir('Icinga'));
+
+        // Disabled as the bootstrap.php for PHPUnit and class BaseTestCase can't handle multiple paths yet
+        /*$vars[] = sprintf(
+            'ICINGAWEB_MODULES_DIR=%s',
+            implode(PATH_SEPARATOR, $this->app->getModuleManager()->getModuleDirs())
+        );*/
+
+        return join(' ', $vars) . ' ';
+    }
 }
diff --git a/test/php/bootstrap.php b/test/php/bootstrap.php
index 954387012..580013fd2 100644
--- a/test/php/bootstrap.php
+++ b/test/php/bootstrap.php
@@ -1,11 +1,13 @@
 <?php
 /* Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
 
-$applicationPath = realpath(dirname(__FILE__) . '/../../application/');
-$modulePath = realpath(dirname(__FILE__) . '/../../modules/');
-$libraryPath = realpath(dirname(__FILE__) . '/../../library/');
-$testLibraryPath = realpath(dirname(__FILE__) . '/library/');
-$configPath = realpath($libraryPath . '/../config');
+$basePath = getenv('ICINGAWEB_BASEDIR') ?: realpath(dirname(__FILE__) . '/../..');
+$applicationPath = $basePath . '/application';
+$modulePath = getenv('ICINGAWEB_MODULES_DIR') ?: ($basePath . '/modules');
+$icingaLibPath = getenv('ICINGAWEB_ICINGA_LIB') ?: ($basePath . '/library/Icinga');
+$libraryPath = $basePath . '/library';
+$testLibraryPath = realpath(dirname(__FILE__) . '/library');
+$configPath = $basePath . '/../config';
 
 // Is usually done in the application's bootstrap and is used by some of our internals
 if (!defined('ICINGAWEB_APPDIR')) {
@@ -22,11 +24,11 @@ require_once 'Mockery/Loader.php';
 $mockeryLoader = new \Mockery\Loader;
 $mockeryLoader->register();
 
-require_once($libraryPath . '/Icinga/Test/ClassLoader.php');
+require_once($icingaLibPath . '/Test/ClassLoader.php');
 
 $loader = new Icinga\Test\ClassLoader();
 $loader->registerNamespace('Tests', $testLibraryPath);
-$loader->registerNamespace('Icinga', $libraryPath . '/Icinga');
+$loader->registerNamespace('Icinga', $icingaLibPath);
 $loader->registerNamespace('Icinga\\Forms', $applicationPath . '/forms');
 
 $modules = scandir($modulePath);
diff --git a/test/php/library/Icinga/Web/Paginator/ScrollingStyle/SlidingWithBorderTest.php b/test/php/library/Icinga/Web/Paginator/ScrollingStyle/SlidingWithBorderTest.php
index a5b9be6cc..93fc2b171 100644
--- a/test/php/library/Icinga/Web/Paginator/ScrollingStyle/SlidingWithBorderTest.php
+++ b/test/php/library/Icinga/Web/Paginator/ScrollingStyle/SlidingWithBorderTest.php
@@ -3,12 +3,12 @@
 
 namespace Tests\Icinga\Web\Paginator\ScrollingStyle;
 
-require_once realpath(ICINGA_LIBDIR . '/Icinga/Web/Paginator/ScrollingStyle/SlidingWithBorder.php');
-
 use Mockery;
 use Zend_Paginator;
 use Icinga\Test\BaseTestCase;
 
+require_once realpath(BaseTestCase::$libDir . '/Web/Paginator/ScrollingStyle/SlidingWithBorder.php');
+
 class SlidingwithborderTest extends BaseTestCase
 {
     public function testGetPages2()