- fd inheritance can't be modified because Emscripten doesn't support
  subprocesses anyway.
- setpriority always fails
- geteuid no longer causes problems with latest emsdk
- umask is a stub
- geteuid / getuid always return 0, but process cannot chown to random
  uid.

tiran changed the title bpo-40280: Skip more tests/features that don't apply to Emscripten bpo-40280: Skip more tests/features that don't apply to Emscripten (GH-31791)

tiran deleted the bpo-40280-more-subprocess branch