MAGETWO-32116: Customer model and tables cleaning

Author: irenelagno

dev/tests/integration/testsuite/Magento/CustomerImportExport/Model/Import/CustomerCompositeTest.php

@@ -177,14 +177,14 @@ public function testImportData($behavior, $sourceFile, array $dataBefore, array
     public function importDataDataProvider()
     {
         $filesDirectory = __DIR__ . '/_files/';
-//        $sourceData = [
-//            'delete_behavior' => [
-//                '$behavior' => \Magento\ImportExport\Model\Import::BEHAVIOR_DELETE,
-//                '$sourceFile' => $filesDirectory . self::DELETE_FILE_NAME,
-//                '$dataBefore' => $this->_beforeImport,
-//                '$dataAfter' => [],
-//            ],
-//        ];
+        $sourceData = [
+            'delete_behavior' => [
+                '$behavior' => \Magento\ImportExport\Model\Import::BEHAVIOR_DELETE,
+                '$sourceFile' => $filesDirectory . self::DELETE_FILE_NAME,
+                '$dataBefore' => $this->_beforeImport,
+                '$dataAfter' => [],
+            ],
+        ];
 
         $sourceData['add_update_behavior'] = [
             '$behavior' => \Magento\ImportExport\Model\Import::BEHAVIOR_ADD_UPDATE,