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

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ ACTION	actionlint	2		0	0.01s
✅ API	spectral	3		0	5.09s
✅ GHERKIN	gherkin-lint	3		0	1.21s
✅ REPOSITORY	git_diff	yes		no	0.01s
✅ REPOSITORY	secretlint	yes		no	0.85s
✅ YAML	yamllint	3		0	0.99s

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