When setting up collection-level headers, the behavior should be that request-level headers overwrite collection-level headers with the same key. This is currently not the case.
Steps to reproduce:
Create a collection
Set a collection-level header
Create a request
Set a request-level header with the same key
Send the request, and observe that the collection-level header was used
When setting up collection-level headers, the behavior should be that request-level headers overwrite collection-level headers with the same key. This is currently not the case.
Steps to reproduce: