[Chapel Merge] Update CHAMPS testing for the new version

[e-kayrakli1]

Branch: refs/heads/main
Revision: 271d593
Author: e-kayrakli
Link: Update CHAMPS testing for the new version by e-kayrakli · Pull Request #20224 · chapel-lang/chapel · GitHub
Log Message:

Merge pull request #20224 from e-kayrakli/champs-testing-fixes

Update CHAMPS testing for the new version

This PR makes two updates for CHAMPS nightly testing:

• CHAMPS now uses -j by default. This hurts execution performance. For nightly
  performance tracking purposes, we should avoid parallel compilation. With this
  PR, we pass NPROCS=0 to CHAMPS' make to disable parallel building.
• With Fix arrays of sortedSets by e-kayrakli · Pull Request #20158 · chapel-lang/chapel · GitHub in, we can test post
  executable now. That's the last executable that we weren't testing. Now we
  build all CHAMPS executables every night.

[Reviewed by @stonea]

Modified Files:
M test/studies/champs/functions.bash

M test/studies/champs/sub_test

Compare: https://github.com/chapel-lang/chapel/compare/bdd241897a42...271d593ac120