MAGETWO-48021: State value is not saved in customer account address on storefront

Author: Oleksandr Karpenko

dev/tests/integration/testsuite/Magento/Customer/_files/customer_sample.php

@@ -27,6 +27,7 @@
     'lastname' => 'test lastname',
     'street' => ['test street'],
     'city' => 'test city',
+    'region_id' => 10,
     'country_id' => 'US',
     'postcode' => '01001',
     'telephone' => '+7000000001',
@@ -42,6 +43,7 @@
     'lastname' => 'test lastname',
     'street' => ['test street'],
     'city' => 'test city',
+    'region_id' => 10,
     'country_id' => 'US',
     'postcode' => '01001',
     'telephone' => '+7000000001',
@@ -57,6 +59,7 @@
     'lastname' => 'removed lastname',
     'street' => ['removed street'],
     'city' => 'removed city',
+    'region_id' => 10,
     'country_id' => 'US',
     'postcode' => '01001',
     'telephone' => '+7000000001',