[TASK] Implement credit note application to invoice test - Credit Note and Refund Workflow

[africanitem]

Task Details

Epic: #551 [EPIC] Credit Note and Refund Workflow E2E Tests

Dependencies

• Depends on: [TASK] Implement credit note posting test - Credit Note and Refund Workflow #554

Success Criteria

• Test applies credit note to invoice, verifies credit note is applied correctly