Fix tests for dpctl change to return tuples

[ndgrigorian]

dpctl returns tuples now rather than lists for devices, subdevices, etc. as these should be immutable to users

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[github-actions]

View rendered docs @ https://intelpython.github.io/dpnp/pull/2945/index.html

[coveralls]

coverage: 78.251% (+0.003%) from 78.248% — fix-tests-for-dpctl-tuple-changes into master

[github-actions]

Array API standard conformance tests for dpnp=0.21.0dev0=py313h509198e_68 ran successfully.
Passed: 1357
Failed: 3
Skipped: 16