MAGETWO-44009: Fatal error occurs when user opens scheduled import section with removed products-import-export module

Author: Alex Bomko

dev/tests/static/testsuite/Magento/Test/Legacy/_files/obsolete_constants.php

@@ -952,4 +952,9 @@
         'THEMES',
         'Magento\Framework\App\Filesystem\DirectoryList'
     ],
+    [
+        'DEFAULT_GLOBAL_MULTI_VALUE_SEPARATOR',
+        'Magento\CatalogImportExport\Model\Import\Product',
+        'Magento\ImportExport\Model\Import::DEFAULT_GLOBAL_MULTI_VALUE_SEPARATOR'
+    ]
 ];