See original issue and associated discussion in Node.js issue tracker here: nodejs/node#36158

/cc @asklar, @aduh95, @bzoz

What should happen if deliver_cancel raises an exception? In the current implementation, the shielded cancel scope will prevent it from propagating until the process exits, which might take a while if the crash occurred before signaling the process in any way. Maybe on exception from a user-specified deliver_cancel we should call the default deliver_cancel to kill the process? Or just kill() since

In #1311 we have removed legacy backends but some tests were not properly updated. We should fix them.

Steps

1. Remove the definition of skipIfNoSoxBackend decorator
2. Replace [the use of skipIfNoSoxBackend](https://github.com/pytorch/audio/sea