Restore backend tests

[JakeStevens]

Summary: Now that the SDK update has been ingested, CI tests pass again.

Differential Revision: D83849826

[pytorch-bot]

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❌ 1 New Failure, 1 Cancelled Job

As of commit 8fda834 with merge base 4d681cb ():

NEW FAILURE - The following job has failed:

• pull / test-samsung-models-linux / linux-job (gh)
  RuntimeError: Command docker exec -t 812ad5929f0d2037f1b61a4a533af5284c0ffd75d5a3353b4eef2157deaeab7f /exec failed with exit code 1

CANCELLED JOB - The following job was cancelled. Please retry:

• periodic (gh)

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[robert-kalmar]

Irrelevant to this change, but what only test_quantizer.py and test_neutron_backend.py are defined here? You want to limit the tests only to cover high level tests, what can be considered as integration tests?