NPA-3887: Added tests to postman collection

[ClarksonAdam]

Pull Request Checklist

Ticket Link

https://nhsd-jira.digital.nhs.uk/browse/NPA-3887

Description/Change Summary

• Added tests to postman collection
• Added additional requests to cover more sandbox scenarios
• Renamed existing requests

How to test?

1. Import this collection into Postman
2. Run all tests in the collection

There should be 2 tests that fail for the identifier system request - These are known issues to be fixed.

[github-actions]

This branch is work on a ticket in the NHS Digital NPA JIRA Project. Here's a handy link to the ticket:

NPA-3887

[github-actions]

This branch is work on a ticket in the NHS Digital NPA JIRA Project. Here's a handy link to the ticket:

NPA-3887

[github-actions]

This branch is work on a ticket in the NHS Digital NPA JIRA Project. Here's a handy link to the ticket:

NPA-3887

[github-actions]

This branch is work on a ticket in the NHS Digital NPA JIRA Project. Here's a handy link to the ticket:

NPA-3887

[github-actions]

This branch is work on a ticket in the NHS Digital NPA JIRA Project. Here's a handy link to the ticket:

NPA-3887

[github-actions]

This branch is work on a ticket in the NHS Digital NPA JIRA Project. Here's a handy link to the ticket:

NPA-3887

[github-actions]

This branch is work on a ticket in the NHS Digital NPA JIRA Project. Here's a handy link to the ticket:

NPA-3887

[github-actions]

This branch is work on a ticket in the NHS Digital NPA JIRA Project. Here's a handy link to the ticket:

NPA-3887

[JackPlowman]

LGTM 👍