refactor(connector): [Nuvei] update error message

[HeetVekariya]

Type of Change

• Bugfix
• New feature
• Enhancement
• Refactoring
• Dependency updates
• Documentation
• CI/CD

Description

• Fix issue: [REFACTOR] : [Nuvei] Error Message For Connector Implementation #2855
• Changes to be made: update the error message
• File changed: transformers.rs (crates/router/src/connector/nuvei/transformers.rs)

Additional Changes

• This PR modifies the API contract
• This PR modifies the database schema
• This PR modifies application configuration/environment variables

Motivation and Context

How did you test it?

Test Cases

Check for BankRedirect which is not implemented, here we can check for Przelewy24 and we should get notImplemented error message.

  "payment_method": "bank_redirect",
  "payment_method_type": "przelewy_24",
  "payment_method_data": {
    "bank_redirect": {
      "eps": {
          "billing_details": {
              "email": "[email protected]"
          }
      }
    }
  }, 

Checklist

• I formatted the code cargo +nightly fmt --all
• I addressed lints thrown by cargo clippy
• I reviewed the submitted code
• I added unit tests for my changes where possible
• I added a CHANGELOG entry if applicable

[swangi-kumari]

LGTM!

[HeetVekariya]

@swangi-kumari is there anything required from my side ?

[SanchithHegde]

Looks good to me!

Thanks for the PR, @HeetVekariya!

[HeetVekariya]

Thank you for merging the PR.