Update scenarios for non-existent and unable to locate devices

[bigludo7]

What type of PR is this?

Add one of the following kinds:

• bug

What this PR does / why we need it:

Update scenarios for non-existent and unable to locate devices

Which issue(s) this PR fixes:

Fixes #388

Special notes for reviewers:

To be check if we are ok with 404 test case. I'm wondering if we're not going to far by testing non-existent device.

Changelog input

 release-note
- Add a test case for 422 LOCATION_RETRIEVAL.UNABLE_TO_LOCATE
- Update 404 test case to be used for non-existent devices

Additional documentation

This section can be blank.

FYI: @JayVaishnavNio

docs

[github-actions]

🦙 MegaLinter status: ✅ SUCCESS

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✅ REPOSITORY	git_diff	yes		no	0.01s
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[jlurien]

There is no LOCATION_RETRIEVAL.DEVICE_NOT_FOUND defined, we already have @location_retrieval_C01.03_device_not_found defined for this case

[bigludo7]

Thanks !
Probably I should remove this @location_retrieval_404_non_existent_device?

[bigludo7]

@jlurien update done. We haven't anymore 404 test scenario but same in location-verification so I guess this is fine and consistent.