Deviceshifuplc4x unit test test collect plc4 x telemetry

[Twpeak]

What this PR does / why we need it:

Will this PR make the community happier?

Which issue this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close that issue when PR gets merged): fixes #

How is this PR tested

• [x] unit test
• [ ] e2e test
• [ ] other (please specify)

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