I'm not sure what you are expecting here, but reportservice.svc is not a JIRA function. Have you added some form of add-on to provide this?
If you want to populate the test cases automatically, you probably want to use the REST interface into it by coding in your testing application.
I’m a designer on the Jira team. For a long time, I’ve fielded questions from other designers about how they should be using Jira Software with their design team. I’ve also heard feedback from other ...
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