public function setUp()
 {
     $this->singletonInstances = GeneralUtility::getSingletonInstances();
     $this->createAccessibleProxyClass();
     $this->backUpPackageManager = ExtensionManagementUtilityAccessibleProxy::getPackageManager();
     $this->singletonInstances = GeneralUtility::getSingletonInstances();
 }
 public function setUp()
 {
     $this->singletonInstances = \TYPO3\CMS\Core\Utility\GeneralUtility::getSingletonInstances();
     $this->createAccessibleProxyClass();
     $this->testFilesToDelete = array();
     $this->backUpPackageManager = ExtensionManagementUtilityAccessibleProxy::getPackageManager();
     $this->singletonInstances = \TYPO3\CMS\Core\Utility\GeneralUtility::getSingletonInstances();
 }