Payment customisation not working for bogus getway

[devPramod]

Hello everyone
Is there anyone who know why the payment customisation not working for bogus payment method on development store.
 https://d.pr/i/z2eI8r
Input

{
  "paymentMethods": [
    {
      "id": "gid://shopify/PaymentCustomizationPaymentMethod/0",
      "name": "Deferred"
    },
    {
      "id": "gid://shopify/PaymentCustomizationPaymentMethod/1",
      "name": "(for testing) Bogus Gateway"
    }
  ]
}

output of function

{
  "operations": [
     {
      "rename": {
        "name": "pramod test",
        "paymentMethodId": "gid://shopify/PaymentCustomizationPaymentMethod/1"
      }
    }
  ]
}