ow_w2a test is non deterministic on CPU

[marchdf]

Bug description

Running the test suite twice results in diffs in the ow_w2a test.

Steps to reproduce

Steps to reproduce the behavior:

1. Compiler used
   • GCC
   • LLVM
   • oneapi (Intel)
   • nvcc (NVIDIA)
   • rocm (AMD)
   • with MPI
   • other:
2. Operating system
   • Linux
   • OSX
   • Windows
   • other (do tell ;)):
3. Hardware:
   • CPU
   • GPU
4. Machine details ():

==============================================================================
                AMR-Wind (https://github.com/exawind/amr-wind)

  AMR-Wind version :: v2.1.0-18-gf43b0713-DIRTY
  AMR-Wind Git SHA :: f43b071303b755ff994e8346e028a27f326723de-DIRTY
  AMReX version    :: 24.05-20-g5d02c6480a0d

  Exec. time       :: Tue Jun  4 10:28:53 2024
  Build time       :: Jun  4 2024 10:23:31
  C++ compiler     :: Clang 17.0.6

  MPI              :: ON    (Num. ranks = 4)
  GPU              :: OFF
  OpenMP           :: OFF

  Enabled third-party libraries:
    NetCDF    4.9.2
    HYPRE     2.31.0
    OpenFAST
    MASA      0.51.0

           This software is released under the BSD 3-clause license.
 See https://github.com/Exawind/amr-wind/blob/development/LICENSE for details.
------------------------------------------------------------------------------

5. Input file attachments: already in the repo
6. Error (paste or attach):
   

Expected behavior

No diffs on CPU run-to-run

[github-actions]

This issue is stale because it has been open 30 days with no activity.

[marchdf]

Still an issue.