Issue:
[BUG] [CI] NMI and Stripe CI failing

As we can see here in CI's commit, https://github.com/juspay/hyperswitch/commit/cd7040fa8cad2e69a53e3ed609c9eb8a8a17495a, it is clear that NMI and Stripe collection are the ones that are affected which again can be confirmed with https://github.com/juspay/hyperswitch/actions/runs/8148897592/job/22272607599

CI checks are failing.

Resolution:
<think>
PR Context:
- Title: ci(postman): hotfix for stripe and nmi collections failing
- Merged: 2024-03-05T18:37:19Z
- Files changed: 7 files
- Commits: 4 commits

Implementation approach:
## Type of Change
<!-- Put an `x` in the boxes that apply -->

- [ ] Bugfix
- [ ] New feature
- [ ] Enhancement
- [ ] Refactoring
- [ ] Dependency updates
- [ ] Documentation
- [x] CI/CD

## Description
<!-- Describe your changes in detail -->

This PR is a fix for postman CI failing due a bug introduced in https://github.com/juspay/hyperswitch/pull/3807.  

As we can see here in CI's commit, https://github.com/juspay/hyperswitch/commit/cd7040fa8cad2e69a53e3ed609c9eb8a8a17495a, i
</think>

To implement this, you'll need to modify:


**Detailed Implementation:**


**Commit 1:** ci(postman): hotfix for stripe and nmi collections failing (#3956)
Files to modify:


**crates/test_utils/src/main.rs**
  Modify existing code