test(medusa): Fix integration

integration-tests/plugins/__tests__/medusa-plugin-sendgrid/__snapshots__/index.js.snap

@@ -2389,9 +2389,9 @@ Object {
       "created_at": Any<Date>,
       "customer_id": null,
       "deleted_at": null,
-      "first_name": null,
+      "first_name": "Chyna",
       "id": Any<String>,
-      "last_name": null,
+      "last_name": "Osinski",
       "metadata": null,
       "phone": "12353245",
       "postal_code": "1234",