MAGETWO-37614: Stabilize story

Author: Michael Logvin

dev/tests/integration/testsuite/Magento/ImportExport/_files/import_data.php

@@ -47,12 +47,12 @@
                 'default_billing' => '3',
                 'default_shipping' => '3',
                 'disable_auto_group_change' => '0',
-                'dob' => null,
+                'dob' => '13-06-1984',
                 'firstname' => 'Lori',
                 'gender' => 'Female',
                 'group_id' => '1',
                 'lastname' => 'Banks',
-                'middlename' => null,
+                'middlename' => 'R.',
                 'password_hash' => '7ad6dbdc83d3e9f598825dc58b84678c7351e4281f6bc2b277a32dcd88b9756b:pz',
                 'prefix' => null,
                 'reward_update_notification' => '1',