public function setUp()
 {
     $this->objectSchemaBuilder = $this->getMock($this->buildAccessibleProxy('Tx_ExtensionBuilder_Service_ObjectSchemaBuilder'), array('dummy'));
     $concreteConfigurationManager = new Tx_Extbase_Configuration_BackendConfigurationManager();
     if (class_exists(Tx_Extbase_Service_TypoScriptService)) {
         // this is needed in TYPO3 versions > 4.5
         $typoscriptService = new Tx_Extbase_Service_TypoScriptService();
         $concreteConfigurationManager->injectTypoScriptService($typoscriptService);
     }
     $configurationManager = $this->getMock($this->buildAccessibleProxy('Tx_ExtensionBuilder_Configuration_ConfigurationManager'), array('dummy'));
     $configurationManager->_set('concreteConfigurationManager', $concreteConfigurationManager);
     $this->objectSchemaBuilder->injectConfigurationManager($configurationManager);
 }