Update tests to confirm fetching additional DataSource fields works

[wscourge]

Updates the test to confirm support of List Sources and Retrieve a Source requesting additional fields with the following query params:

• with_processing_status=true
• with_auto_churn_subscription_setting=true
• with_invoice_handling_setting=true

Using SDK code:

1) List Sources

DataSource.all(config, {
  with_processing_status: true,
  with_auto_churn_subscription_setting: true,
  with_invoice_handling_setting: true
})

2) Retrieve a Source

DataSource.retrieve(config, "uuid", {
  with_processing_status: true,
  with_auto_churn_subscription_setting: true,
  with_invoice_handling_setting: true
})

[Copilot]

Pull request overview

This PR adds comprehensive test coverage for DataSource API methods with optional query parameters (with_processing_status, with_auto_churn_subscription_setting, with_invoice_handling_setting) for both listing and retrieving data sources. The tests verify that these parameters are properly passed to the API and that the expected fields are returned in responses.

Key Changes

• Added 10 new test cases covering individual and combined optional parameters for DataSource.all() and DataSource.retrieve()
• Added tests for filtering data sources by name and system parameters
• Updated README.md to reflect the optional query parameter for DataSource.retrieve()

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
test/chartmogul/data-source.js	Added comprehensive test coverage for optional query parameters in DataSource list and retrieve operations
README.md	Updated method signature to include optional query parameter for retrieve method

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