diff --git a/.github/workflows/UnitTests.yml b/.github/workflows/UnitTests.yml
index abdb57164..bc0119b1d 100644
--- a/.github/workflows/UnitTests.yml
+++ b/.github/workflows/UnitTests.yml
@@ -28,524 +28,524 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
-  test-default:
-    timeout-minutes: 20
-    strategy:
-      matrix:
-        os:
-          - macos-latest
-          - ubuntu-latest
-          - windows-latest
-        julia_version:
-          - "1.6"
-          - "1"
-          - "nightly"
-        julia_arch: [x64, x86]
-        exclude:
-          - os: macos-latest
-            julia_arch: x86
-
-      fail-fast: false
-
-    runs-on: ${{ matrix.os }}
-
-    steps:
-    - name: Checkout
-      uses: actions/checkout@v4
-
-    - uses: julia-actions/setup-julia@latest
-      with:
-        arch: ${{ matrix.julia_arch }}
-        version: ${{ matrix.julia_version }}
-    - uses: julia-actions/cache@v1
-
-    - name: add MPIPreferences
-      shell: julia --color=yes --project=. {0}
-      run: |
-        using Pkg
-        Pkg.develop(path="lib/MPIPreferences")
-
-    - uses: julia-actions/julia-runtest@latest
-    - uses: julia-actions/julia-processcoverage@v1
-    - uses: codecov/codecov-action@v3
-      with:
-        files: lcov.info
-    - uses: julia-actions/julia-uploadcoveralls@v1
-      continue-on-error: true
-      env:
-        COVERALLS_TOKEN: ${{ secrets.COVERALLS_TOKEN }}
-
-  test-openmpi-jll:
-    timeout-minutes: 20
-    strategy:
-      matrix:
-        os:
-          - macos-latest
-          - ubuntu-latest
-        julia_version:
-          - "1.6"
-          - "1"
-          - "nightly"
-        julia_arch: [x64, x86]
-        exclude:
-          - os: macos-latest
-            julia_arch: x86
-
-      fail-fast: false
-    env:
-      JULIA_MPI_TEST_BINARY: OpenMPI_jll
-      JULIA_MPI_TEST_ABI: OpenMPI
-      OMPI_MCA_btl_base_warn_component_unused: 0
-      OMPI_MCA_rmaps_base_oversubscribe: true
-
-    runs-on: ${{ matrix.os }}
-
-    steps:
-    - name: Checkout
-      uses: actions/checkout@v4
-
-    - uses: julia-actions/setup-julia@latest
-      with:
-        arch: ${{ matrix.julia_arch }}
-        version: ${{ matrix.julia_version }}
-    - uses: julia-actions/cache@v1
-
-    - name: add MPIPreferences
-      shell: julia --color=yes --check-bounds=yes --project=. {0}
-      run: |
-        using Pkg
-        Pkg.develop(path="lib/MPIPreferences")
-
-    - name: use OpenMPI_jll
-      shell: julia --color=yes --check-bounds=yes --project=test {0}
-      run: |
-        using Pkg
-        Pkg.develop(path="lib/MPIPreferences")
-        using MPIPreferences
-        MPIPreferences.use_jll_binary("OpenMPI_jll", export_prefs=true)
-        rm("test/Manifest.toml")
-
-    - uses: julia-actions/julia-runtest@latest
-
-  test-system-brew:
-    timeout-minutes: 20
-    strategy:
-      matrix:
-        mpi:
-          - mpich
-          - openmpi
-        julia_version:
-          - "1"
-
-      fail-fast: false
-
-    runs-on: macos-latest
-    env:
-      JULIA_MPI_TEST_BINARY: system
-      ZES_ENABLE_SYSMAN: 1  # https://github.com/open-mpi/ompi/issues/10142
-
-    steps:
-    - name: Checkout
-      uses: actions/checkout@v4
-
-    - name: Install MPI via homebrew
-      run: brew install $MPI
-      env:
-        MPI: ${{ matrix.mpi }}
-
-    - uses: julia-actions/setup-julia@latest
-      with:
-        version: ${{ matrix.julia_version }}
-
-    - uses: julia-actions/cache@v1
-    - name: add MPIPreferences
-      shell: julia --color=yes --check-bounds=yes --project=. {0}
-      run: |
-        using Pkg
-        Pkg.develop(path="lib/MPIPreferences")
-
-    - name: use system MPI
-      shell: julia --color=yes --check-bounds=yes --project=. {0}
-      run: |
-        using MPIPreferences
-        MPIPreferences.use_system_binary()
-
-    - uses: julia-actions/julia-runtest@latest
-      env:
-        # TODO: Only disable this test for MPICH. OpenMPI works fine.
-        JULIA_MPI_TEST_DISABLE_REDUCE_ON_APPLE: 1
-
-
-  test-system-apt:
-    timeout-minutes: 20
-    strategy:
-      matrix:
-        mpi:
-          - libmpich-dev
-          - libopenmpi-dev
-        julia_version:
-          - "1"
-
-      fail-fast: false
-
-    runs-on: ubuntu-20.04
-
-    env:
-      JULIA_MPI_TEST_BINARY: system
-      OMPI_MCA_btl_base_warn_component_unused: 0
-      OMPI_MCA_rmaps_base_oversubscribe: true
-
-    steps:
-    - name: Checkout
-      uses: actions/checkout@v4
-
-    - name: Install MPI via apt
-      run: |
-        sudo apt-get update
-        sudo apt-get install $MPI
-      env:
-        MPI: ${{ matrix.mpi }}
-
-    - uses: julia-actions/setup-julia@latest
-      with:
-        version: ${{ matrix.julia_version }}
-
-    - uses: julia-actions/cache@v1
-    - name: add MPIPreferences
-      shell: julia --color=yes --check-bounds=yes --project=. {0}
-      run: |
-        using Pkg
-        Pkg.develop(path="lib/MPIPreferences")
-
-    - name: use system MPI
-      shell: julia --color=yes --check-bounds=yes --project=. {0}
-      run: |
-        using MPIPreferences
-        MPIPreferences.use_system_binary()
-
-    - uses: julia-actions/julia-runtest@latest
-
-  test-intel-linux:
-    timeout-minutes: 20
-    strategy:
-      matrix:
-        julia_version:
-          - "1"
-
-      fail-fast: false
-
-    runs-on: ubuntu-latest
-    container: ghcr.io/juliaparallel/github-actions-buildcache:intel-mpi-2019.9.304-ecfipz6mxgepmrkwp5dl5oohion5m54r.spack
-
-    env:
-      JULIA_MPI_TEST_BINARY: system
-      JULIA_MPI_TEST_ABI: MPICH
-
-    steps:
-    - name: Checkout
-      uses: actions/checkout@v4
-
-    - uses: julia-actions/setup-julia@v1
-      with:
-        version: ${{ matrix.julia_version }}
-
-    - uses: julia-actions/cache@v1
-    - name: add MPIPreferences
-      shell: julia --color=yes --check-bounds=yes --project=. {0}
-      run: |
-        using Pkg
-        Pkg.develop(path="lib/MPIPreferences")
-
-    - name: use system MPI
-      run: |
-        julia --color=yes --check-bounds=yes --project=. -e '
-          using MPIPreferences
-          MPIPreferences.use_system_binary()'
-
-    - uses: julia-actions/julia-runtest@latest
-
-
-  test-oneapi-linux:
-    timeout-minutes: 20
-    strategy:
-      matrix:
-        julia_version:
-          - "1"
-
-      fail-fast: false
-
-    runs-on: ubuntu-latest
-    container: ghcr.io/juliaparallel/github-actions-buildcache:intel-oneapi-mpi-2021.7.0-gzc7es2p27ftwyk4sdplynlj6d54xzi6.spack
-
-    env:
-      JULIA_MPI_TEST_BINARY: system
-      JULIA_MPI_TEST_ABI: MPICH
-
-    steps:
-    - name: Checkout
-      uses: actions/checkout@v4
-
-    - uses: julia-actions/setup-julia@v1
-      with:
-        version: ${{ matrix.julia_version }}
-
-    - uses: julia-actions/cache@v1
-    - name: add MPIPreferences
-      shell: julia --color=yes --check-bounds=yes --project=. {0}
-      run: |
-        using Pkg
-        Pkg.develop(path="lib/MPIPreferences")
-
-    - name: use system MPI
-      run: |
-        julia --color=yes --check-bounds=yes --project=. -e '
-          using MPIPreferences
-          MPIPreferences.use_system_binary()'
-
-    - uses: julia-actions/julia-runtest@latest
-
-
-  test-system-msmpi:
-    timeout-minutes: 20
-    strategy:
-      matrix:
-        julia_version:
-          - "1"
-
-      fail-fast: false
-
-    runs-on: windows-latest
-
-    steps:
-    - name: Checkout
-      uses: actions/checkout@v4
-
-    - name: Download Microsoft MPI
-      run: (new-object net.webclient).DownloadFile("https://download.microsoft.com/download/a/5/2/a5207ca5-1203-491a-8fb8-906fd68ae623/msmpisetup.exe", "msmpisetup.exe")
-      shell: powershell
-
-    - name: Install Microsoft MPI
-      run: msmpisetup.exe -unattend -minimal
-      shell: cmd
-
-    - uses: julia-actions/setup-julia@latest
-      with:
-        version: ${{ matrix.julia_version }}
-
-    - uses: julia-actions/cache@v1
-    - name: add MPIPreferences
-      shell: julia --color=yes --check-bounds=yes --project=. {0}
-      run: |
-        using Pkg
-        Pkg.develop(path="lib/MPIPreferences")
-
-    - name: add MPIPreferences, use system
-      shell: julia --color=yes --check-bounds=yes --project=test {0}
-      run: |
-        using Pkg
-        Pkg.develop(path="lib/MPIPreferences")
-        using MPIPreferences
-        MPIPreferences.use_system_binary(;
-          export_prefs=true,
-          mpiexec="C:\\Program Files\\Microsoft MPI\\Bin\\mpiexec"
-        )
-        rm("test/Manifest.toml")
-
-    - uses: julia-actions/julia-runtest@latest
-
-
-  test-mpitrampoline-jll:
-    timeout-minutes: 20
-    strategy:
-      matrix:
-        os:
-          - macos-latest
-          - ubuntu-latest
-        mpi: [mpitrampoline]
-        julia_version:
-          - "1.6"
-          - "1"
-          - "nightly"
-        julia_arch:
-          - x64
-          - x86
-        exclude:
-          - os: macos-latest
-            julia_arch: x86
-
-      fail-fast: false
-
-    runs-on: ${{ matrix.os }}
-    env:
-      JULIA_MPI_TEST_BINARY: MPItrampoline_jll
-      JULIA_MPI_TEST_ABI: MPItrampoline
-
-    steps:
-    - name: Checkout
-      uses: actions/checkout@v4
-
-    - uses: julia-actions/setup-julia@latest
-      with:
-        version: ${{ matrix.julia_version }}
-
-    - uses: julia-actions/cache@v1
-
-    - name: add MPIPreferences
-      shell: julia --color=yes --check-bounds=yes --project=. {0}
-      run: |
-        using Pkg
-        Pkg.develop(path="lib/MPIPreferences")
-
-    - name: use MPItrampoline_jll
-      shell: julia --color=yes --check-bounds=yes --project=test {0}
-      run: |
-        using Pkg
-        Pkg.develop(path="lib/MPIPreferences")
-        using MPIPreferences
-        MPIPreferences.use_jll_binary("MPItrampoline_jll", export_prefs=true)
-        rm("test/Manifest.toml")
-
-    - uses: julia-actions/julia-runtest@latest
-
-
-  test-mpitrampoline-system-apt:
-    timeout-minutes: 20
-    strategy:
-      matrix:
-        mpi:
-          - libmpich-dev
-          - libopenmpi-dev
-        julia_version:
-          - "1"
-          # We don't need to test all combinations
-          # - "1.7"
-          # - "nightly"
-        MPIWrapper:
-          - "2.10.3"
-
-      fail-fast: false
-
-    runs-on: ubuntu-20.04
-
-    env:
-      JULIA_MPI_TEST_BINARY: MPItrampoline_jll
-      JULIA_MPI_TEST_ABI: MPItrampoline
-      MPITRAMPOLINE_LIB: /usr/local/lib/libmpiwrapper.so
-      MPITRAMPOLINE_MPIEXEC: /usr/bin/mpiexec
-      OMPI_MCA_btl_base_warn_component_unused: 0
-      OMPI_MCA_rmaps_base_oversubscribe: true
-
-    steps:
-    - name: Checkout
-      uses: actions/checkout@v4
-
-    - name: Install MPI via apt
-      run: |
-        sudo apt-get update
-        sudo apt-get install $MPI
-      env:
-        MPI: ${{ matrix.mpi }}
-
-    - name: Build MPIwrapper
-      run: |
-        wget https://github.com/eschnett/MPIwrapper/archive/refs/tags/v${MPIWrapper}.tar.gz
-        tar xzf v${MPIWrapper}.tar.gz
-        cd MPIwrapper-*
-        cmake -DMPIEXEC_EXECUTABLE=mpiexec -DCMAKE_BUILD_TYPE=Debug -DCMAKE_INSTALL_PREFIX=/usr/local .
-        cmake --build .
-        sudo cmake --install .
-      env:
-        MPIWrapper: ${{matrix.MPIWrapper}}
-
-    - uses: julia-actions/setup-julia@latest
-      with:
-        version: ${{ matrix.julia_version }}
-
-    - uses: julia-actions/cache@v1
-
-    - name: add MPIPreferences
-      shell: julia --color=yes --check-bounds=yes --project=. {0}
-      run: |
-        using Pkg
-        Pkg.develop(path="lib/MPIPreferences")
-
-    - name: use MPItrampoline_jll
-      shell: julia --color=yes --check-bounds=yes --project=test {0}
-      run: |
-        using Pkg
-        Pkg.develop(path="lib/MPIPreferences")
-        using MPIPreferences
-        MPIPreferences.use_jll_binary("MPItrampoline_jll", export_prefs=true)
-        rm("test/Manifest.toml")
-
-    - uses: julia-actions/julia-runtest@latest
-
-
-  test-mpitrampoline-oneapi-linux:
-    timeout-minutes: 20
-    strategy:
-      matrix:
-        julia_version:
-          - "1"
-        MPIWrapper:
-          - "2.10.3"
-
-      fail-fast: false
-
-    runs-on: ubuntu-latest
-    container: ghcr.io/juliaparallel/github-actions-buildcache:intel-oneapi-mpi-2021.7.0-gzc7es2p27ftwyk4sdplynlj6d54xzi6.spack
-
-    env:
-      JULIA_MPI_TEST_BINARY: MPItrampoline_jll
-      JULIA_MPI_TEST_ABI: MPItrampoline
-      MPITRAMPOLINE_LIB: /usr/local/lib/libmpiwrapper.so
-
-    steps:
-    - name: Checkout
-      uses: actions/checkout@v4
-
-    - name: Set MPITRAMPOLINE_MPIEXEC
-      run: echo "MPITRAMPOLINE_MPIEXEC=$(which mpiexec)" >> "${GITHUB_ENV}"
-
-    - name: Build MPIwrapper
-      run: |
-        apt-get update
-        apt-get install -y wget cmake gcc g++ gfortran python3
-        wget https://github.com/eschnett/MPIwrapper/archive/refs/tags/v${MPIWrapper}.tar.gz
-        tar xzf v${MPIWrapper}.tar.gz
-        cd MPIwrapper-*
-        cmake \
-            -DMPIEXEC_EXECUTABLE=mpiexec \
-            -DCMAKE_BUILD_TYPE=Debug \
-            -DCMAKE_INSTALL_PREFIX=/usr/local \
-            .
-        cmake --build .
-        cmake --install .
-      env:
-        MPIWrapper: ${{matrix.MPIWrapper}}
-
-    - uses: julia-actions/setup-julia@v1
-      with:
-        version: ${{ matrix.julia_version }}
-
-    - uses: julia-actions/cache@v1
-
-    - name: add MPIPreferences
-      shell: julia --color=yes --check-bounds=yes --project=. {0}
-      run: |
-        using Pkg
-        Pkg.develop(path="lib/MPIPreferences")
-
-    - name: use MPItrampoline_jll
-      shell: julia --color=yes --check-bounds=yes --project=test {0}
-      run: |
-        using Pkg
-        Pkg.develop(path="lib/MPIPreferences")
-        using MPIPreferences
-        MPIPreferences.use_jll_binary("MPItrampoline_jll", export_prefs=true)
-        rm("test/Manifest.toml")
-
-    - uses: julia-actions/julia-runtest@latest
+  # test-default:
+  #   timeout-minutes: 20
+  #   strategy:
+  #     matrix:
+  #       os:
+  #         - macos-latest
+  #         - ubuntu-latest
+  #         - windows-latest
+  #       julia_version:
+  #         - "1.6"
+  #         - "1"
+  #         - "nightly"
+  #       julia_arch: [x64, x86]
+  #       exclude:
+  #         - os: macos-latest
+  #           julia_arch: x86
+
+  #     fail-fast: false
+
+  #   runs-on: ${{ matrix.os }}
+
+  #   steps:
+  #   - name: Checkout
+  #     uses: actions/checkout@v4
+
+  #   - uses: julia-actions/setup-julia@latest
+  #     with:
+  #       arch: ${{ matrix.julia_arch }}
+  #       version: ${{ matrix.julia_version }}
+  #   - uses: julia-actions/cache@v1
+
+  #   - name: add MPIPreferences
+  #     shell: julia --color=yes --project=. {0}
+  #     run: |
+  #       using Pkg
+  #       Pkg.develop(path="lib/MPIPreferences")
+
+  #   - uses: julia-actions/julia-runtest@latest
+  #   - uses: julia-actions/julia-processcoverage@v1
+  #   - uses: codecov/codecov-action@v3
+  #     with:
+  #       files: lcov.info
+  #   - uses: julia-actions/julia-uploadcoveralls@v1
+  #     continue-on-error: true
+  #     env:
+  #       COVERALLS_TOKEN: ${{ secrets.COVERALLS_TOKEN }}
+
+  # test-openmpi-jll:
+  #   timeout-minutes: 20
+  #   strategy:
+  #     matrix:
+  #       os:
+  #         - macos-latest
+  #         - ubuntu-latest
+  #       julia_version:
+  #         - "1.6"
+  #         - "1"
+  #         - "nightly"
+  #       julia_arch: [x64, x86]
+  #       exclude:
+  #         - os: macos-latest
+  #           julia_arch: x86
+
+  #     fail-fast: false
+  #   env:
+  #     JULIA_MPI_TEST_BINARY: OpenMPI_jll
+  #     JULIA_MPI_TEST_ABI: OpenMPI
+  #     OMPI_MCA_btl_base_warn_component_unused: 0
+  #     OMPI_MCA_rmaps_base_oversubscribe: true
+
+  #   runs-on: ${{ matrix.os }}
+
+  #   steps:
+  #   - name: Checkout
+  #     uses: actions/checkout@v4
+
+  #   - uses: julia-actions/setup-julia@latest
+  #     with:
+  #       arch: ${{ matrix.julia_arch }}
+  #       version: ${{ matrix.julia_version }}
+  #   - uses: julia-actions/cache@v1
+
+  #   - name: add MPIPreferences
+  #     shell: julia --color=yes --check-bounds=yes --project=. {0}
+  #     run: |
+  #       using Pkg
+  #       Pkg.develop(path="lib/MPIPreferences")
+
+  #   - name: use OpenMPI_jll
+  #     shell: julia --color=yes --check-bounds=yes --project=test {0}
+  #     run: |
+  #       using Pkg
+  #       Pkg.develop(path="lib/MPIPreferences")
+  #       using MPIPreferences
+  #       MPIPreferences.use_jll_binary("OpenMPI_jll", export_prefs=true)
+  #       rm("test/Manifest.toml")
+
+  #   - uses: julia-actions/julia-runtest@latest
+
+  # test-system-brew:
+  #   timeout-minutes: 20
+  #   strategy:
+  #     matrix:
+  #       mpi:
+  #         - mpich
+  #         - openmpi
+  #       julia_version:
+  #         - "1"
+
+  #     fail-fast: false
+
+  #   runs-on: macos-latest
+  #   env:
+  #     JULIA_MPI_TEST_BINARY: system
+  #     ZES_ENABLE_SYSMAN: 1  # https://github.com/open-mpi/ompi/issues/10142
+
+  #   steps:
+  #   - name: Checkout
+  #     uses: actions/checkout@v4
+
+  #   - name: Install MPI via homebrew
+  #     run: brew install $MPI
+  #     env:
+  #       MPI: ${{ matrix.mpi }}
+
+  #   - uses: julia-actions/setup-julia@latest
+  #     with:
+  #       version: ${{ matrix.julia_version }}
+
+  #   - uses: julia-actions/cache@v1
+  #   - name: add MPIPreferences
+  #     shell: julia --color=yes --check-bounds=yes --project=. {0}
+  #     run: |
+  #       using Pkg
+  #       Pkg.develop(path="lib/MPIPreferences")
+
+  #   - name: use system MPI
+  #     shell: julia --color=yes --check-bounds=yes --project=. {0}
+  #     run: |
+  #       using MPIPreferences
+  #       MPIPreferences.use_system_binary()
+
+  #   - uses: julia-actions/julia-runtest@latest
+  #     env:
+  #       # TODO: Only disable this test for MPICH. OpenMPI works fine.
+  #       JULIA_MPI_TEST_DISABLE_REDUCE_ON_APPLE: 1
+
+
+  # test-system-apt:
+  #   timeout-minutes: 20
+  #   strategy:
+  #     matrix:
+  #       mpi:
+  #         - libmpich-dev
+  #         - libopenmpi-dev
+  #       julia_version:
+  #         - "1"
+
+  #     fail-fast: false
+
+  #   runs-on: ubuntu-20.04
+
+  #   env:
+  #     JULIA_MPI_TEST_BINARY: system
+  #     OMPI_MCA_btl_base_warn_component_unused: 0
+  #     OMPI_MCA_rmaps_base_oversubscribe: true
+
+  #   steps:
+  #   - name: Checkout
+  #     uses: actions/checkout@v4
+
+  #   - name: Install MPI via apt
+  #     run: |
+  #       sudo apt-get update
+  #       sudo apt-get install $MPI
+  #     env:
+  #       MPI: ${{ matrix.mpi }}
+
+  #   - uses: julia-actions/setup-julia@latest
+  #     with:
+  #       version: ${{ matrix.julia_version }}
+
+  #   - uses: julia-actions/cache@v1
+  #   - name: add MPIPreferences
+  #     shell: julia --color=yes --check-bounds=yes --project=. {0}
+  #     run: |
+  #       using Pkg
+  #       Pkg.develop(path="lib/MPIPreferences")
+
+  #   - name: use system MPI
+  #     shell: julia --color=yes --check-bounds=yes --project=. {0}
+  #     run: |
+  #       using MPIPreferences
+  #       MPIPreferences.use_system_binary()
+
+  #   - uses: julia-actions/julia-runtest@latest
+
+  # test-intel-linux:
+  #   timeout-minutes: 20
+  #   strategy:
+  #     matrix:
+  #       julia_version:
+  #         - "1"
+
+  #     fail-fast: false
+
+  #   runs-on: ubuntu-latest
+  #   container: ghcr.io/juliaparallel/github-actions-buildcache:intel-mpi-2019.9.304-ecfipz6mxgepmrkwp5dl5oohion5m54r.spack
+
+  #   env:
+  #     JULIA_MPI_TEST_BINARY: system
+  #     JULIA_MPI_TEST_ABI: MPICH
+
+  #   steps:
+  #   - name: Checkout
+  #     uses: actions/checkout@v4
+
+  #   - uses: julia-actions/setup-julia@v1
+  #     with:
+  #       version: ${{ matrix.julia_version }}
+
+  #   - uses: julia-actions/cache@v1
+  #   - name: add MPIPreferences
+  #     shell: julia --color=yes --check-bounds=yes --project=. {0}
+  #     run: |
+  #       using Pkg
+  #       Pkg.develop(path="lib/MPIPreferences")
+
+  #   - name: use system MPI
+  #     run: |
+  #       julia --color=yes --check-bounds=yes --project=. -e '
+  #         using MPIPreferences
+  #         MPIPreferences.use_system_binary()'
+
+  #   - uses: julia-actions/julia-runtest@latest
+
+
+  # test-oneapi-linux:
+  #   timeout-minutes: 20
+  #   strategy:
+  #     matrix:
+  #       julia_version:
+  #         - "1"
+
+  #     fail-fast: false
+
+  #   runs-on: ubuntu-latest
+  #   container: ghcr.io/juliaparallel/github-actions-buildcache:intel-oneapi-mpi-2021.7.0-gzc7es2p27ftwyk4sdplynlj6d54xzi6.spack
+
+  #   env:
+  #     JULIA_MPI_TEST_BINARY: system
+  #     JULIA_MPI_TEST_ABI: MPICH
+
+  #   steps:
+  #   - name: Checkout
+  #     uses: actions/checkout@v4
+
+  #   - uses: julia-actions/setup-julia@v1
+  #     with:
+  #       version: ${{ matrix.julia_version }}
+
+  #   - uses: julia-actions/cache@v1
+  #   - name: add MPIPreferences
+  #     shell: julia --color=yes --check-bounds=yes --project=. {0}
+  #     run: |
+  #       using Pkg
+  #       Pkg.develop(path="lib/MPIPreferences")
+
+  #   - name: use system MPI
+  #     run: |
+  #       julia --color=yes --check-bounds=yes --project=. -e '
+  #         using MPIPreferences
+  #         MPIPreferences.use_system_binary()'
+
+  #   - uses: julia-actions/julia-runtest@latest
+
+
+  # test-system-msmpi:
+  #   timeout-minutes: 20
+  #   strategy:
+  #     matrix:
+  #       julia_version:
+  #         - "1"
+
+  #     fail-fast: false
+
+  #   runs-on: windows-latest
+
+  #   steps:
+  #   - name: Checkout
+  #     uses: actions/checkout@v4
+
+  #   - name: Download Microsoft MPI
+  #     run: (new-object net.webclient).DownloadFile("https://download.microsoft.com/download/a/5/2/a5207ca5-1203-491a-8fb8-906fd68ae623/msmpisetup.exe", "msmpisetup.exe")
+  #     shell: powershell
+
+  #   - name: Install Microsoft MPI
+  #     run: msmpisetup.exe -unattend -minimal
+  #     shell: cmd
+
+  #   - uses: julia-actions/setup-julia@latest
+  #     with:
+  #       version: ${{ matrix.julia_version }}
+
+  #   - uses: julia-actions/cache@v1
+  #   - name: add MPIPreferences
+  #     shell: julia --color=yes --check-bounds=yes --project=. {0}
+  #     run: |
+  #       using Pkg
+  #       Pkg.develop(path="lib/MPIPreferences")
+
+  #   - name: add MPIPreferences, use system
+  #     shell: julia --color=yes --check-bounds=yes --project=test {0}
+  #     run: |
+  #       using Pkg
+  #       Pkg.develop(path="lib/MPIPreferences")
+  #       using MPIPreferences
+  #       MPIPreferences.use_system_binary(;
+  #         export_prefs=true,
+  #         mpiexec="C:\\Program Files\\Microsoft MPI\\Bin\\mpiexec"
+  #       )
+  #       rm("test/Manifest.toml")
+
+  #   - uses: julia-actions/julia-runtest@latest
+
+
+  # test-mpitrampoline-jll:
+  #   timeout-minutes: 20
+  #   strategy:
+  #     matrix:
+  #       os:
+  #         - macos-latest
+  #         - ubuntu-latest
+  #       mpi: [mpitrampoline]
+  #       julia_version:
+  #         - "1.6"
+  #         - "1"
+  #         - "nightly"
+  #       julia_arch:
+  #         - x64
+  #         - x86
+  #       exclude:
+  #         - os: macos-latest
+  #           julia_arch: x86
+
+  #     fail-fast: false
+
+  #   runs-on: ${{ matrix.os }}
+  #   env:
+  #     JULIA_MPI_TEST_BINARY: MPItrampoline_jll
+  #     JULIA_MPI_TEST_ABI: MPItrampoline
+
+  #   steps:
+  #   - name: Checkout
+  #     uses: actions/checkout@v4
+
+  #   - uses: julia-actions/setup-julia@latest
+  #     with:
+  #       version: ${{ matrix.julia_version }}
+
+  #   - uses: julia-actions/cache@v1
+
+  #   - name: add MPIPreferences
+  #     shell: julia --color=yes --check-bounds=yes --project=. {0}
+  #     run: |
+  #       using Pkg
+  #       Pkg.develop(path="lib/MPIPreferences")
+
+  #   - name: use MPItrampoline_jll
+  #     shell: julia --color=yes --check-bounds=yes --project=test {0}
+  #     run: |
+  #       using Pkg
+  #       Pkg.develop(path="lib/MPIPreferences")
+  #       using MPIPreferences
+  #       MPIPreferences.use_jll_binary("MPItrampoline_jll", export_prefs=true)
+  #       rm("test/Manifest.toml")
+
+  #   - uses: julia-actions/julia-runtest@latest
+
+
+  # test-mpitrampoline-system-apt:
+  #   timeout-minutes: 20
+  #   strategy:
+  #     matrix:
+  #       mpi:
+  #         - libmpich-dev
+  #         - libopenmpi-dev
+  #       julia_version:
+  #         - "1"
+  #         # We don't need to test all combinations
+  #         # - "1.7"
+  #         # - "nightly"
+  #       MPIWrapper:
+  #         - "2.10.3"
+
+  #     fail-fast: false
+
+  #   runs-on: ubuntu-20.04
+
+  #   env:
+  #     JULIA_MPI_TEST_BINARY: MPItrampoline_jll
+  #     JULIA_MPI_TEST_ABI: MPItrampoline
+  #     MPITRAMPOLINE_LIB: /usr/local/lib/libmpiwrapper.so
+  #     MPITRAMPOLINE_MPIEXEC: /usr/bin/mpiexec
+  #     OMPI_MCA_btl_base_warn_component_unused: 0
+  #     OMPI_MCA_rmaps_base_oversubscribe: true
+
+  #   steps:
+  #   - name: Checkout
+  #     uses: actions/checkout@v4
+
+  #   - name: Install MPI via apt
+  #     run: |
+  #       sudo apt-get update
+  #       sudo apt-get install $MPI
+  #     env:
+  #       MPI: ${{ matrix.mpi }}
+
+  #   - name: Build MPIwrapper
+  #     run: |
+  #       wget https://github.com/eschnett/MPIwrapper/archive/refs/tags/v${MPIWrapper}.tar.gz
+  #       tar xzf v${MPIWrapper}.tar.gz
+  #       cd MPIwrapper-*
+  #       cmake -DMPIEXEC_EXECUTABLE=mpiexec -DCMAKE_BUILD_TYPE=Debug -DCMAKE_INSTALL_PREFIX=/usr/local .
+  #       cmake --build .
+  #       sudo cmake --install .
+  #     env:
+  #       MPIWrapper: ${{matrix.MPIWrapper}}
+
+  #   - uses: julia-actions/setup-julia@latest
+  #     with:
+  #       version: ${{ matrix.julia_version }}
+
+  #   - uses: julia-actions/cache@v1
+
+  #   - name: add MPIPreferences
+  #     shell: julia --color=yes --check-bounds=yes --project=. {0}
+  #     run: |
+  #       using Pkg
+  #       Pkg.develop(path="lib/MPIPreferences")
+
+  #   - name: use MPItrampoline_jll
+  #     shell: julia --color=yes --check-bounds=yes --project=test {0}
+  #     run: |
+  #       using Pkg
+  #       Pkg.develop(path="lib/MPIPreferences")
+  #       using MPIPreferences
+  #       MPIPreferences.use_jll_binary("MPItrampoline_jll", export_prefs=true)
+  #       rm("test/Manifest.toml")
+
+  #   - uses: julia-actions/julia-runtest@latest
+
+
+  # test-mpitrampoline-oneapi-linux:
+  #   timeout-minutes: 20
+  #   strategy:
+  #     matrix:
+  #       julia_version:
+  #         - "1"
+  #       MPIWrapper:
+  #         - "2.10.3"
+
+  #     fail-fast: false
+
+  #   runs-on: ubuntu-latest
+  #   container: ghcr.io/juliaparallel/github-actions-buildcache:intel-oneapi-mpi-2021.7.0-gzc7es2p27ftwyk4sdplynlj6d54xzi6.spack
+
+  #   env:
+  #     JULIA_MPI_TEST_BINARY: MPItrampoline_jll
+  #     JULIA_MPI_TEST_ABI: MPItrampoline
+  #     MPITRAMPOLINE_LIB: /usr/local/lib/libmpiwrapper.so
+
+  #   steps:
+  #   - name: Checkout
+  #     uses: actions/checkout@v4
+
+  #   - name: Set MPITRAMPOLINE_MPIEXEC
+  #     run: echo "MPITRAMPOLINE_MPIEXEC=$(which mpiexec)" >> "${GITHUB_ENV}"
+
+  #   - name: Build MPIwrapper
+  #     run: |
+  #       apt-get update
+  #       apt-get install -y wget cmake gcc g++ gfortran python3
+  #       wget https://github.com/eschnett/MPIwrapper/archive/refs/tags/v${MPIWrapper}.tar.gz
+  #       tar xzf v${MPIWrapper}.tar.gz
+  #       cd MPIwrapper-*
+  #       cmake \
+  #           -DMPIEXEC_EXECUTABLE=mpiexec \
+  #           -DCMAKE_BUILD_TYPE=Debug \
+  #           -DCMAKE_INSTALL_PREFIX=/usr/local \
+  #           .
+  #       cmake --build .
+  #       cmake --install .
+  #     env:
+  #       MPIWrapper: ${{matrix.MPIWrapper}}
+
+  #   - uses: julia-actions/setup-julia@v1
+  #     with:
+  #       version: ${{ matrix.julia_version }}
+
+  #   - uses: julia-actions/cache@v1
+
+  #   - name: add MPIPreferences
+  #     shell: julia --color=yes --check-bounds=yes --project=. {0}
+  #     run: |
+  #       using Pkg
+  #       Pkg.develop(path="lib/MPIPreferences")
+
+  #   - name: use MPItrampoline_jll
+  #     shell: julia --color=yes --check-bounds=yes --project=test {0}
+  #     run: |
+  #       using Pkg
+  #       Pkg.develop(path="lib/MPIPreferences")
+  #       using MPIPreferences
+  #       MPIPreferences.use_jll_binary("MPItrampoline_jll", export_prefs=true)
+  #       rm("test/Manifest.toml")
+
+  #   - uses: julia-actions/julia-runtest@latest
 
 
   test-spack-mvapich:
@@ -575,14 +575,14 @@ jobs:
 
     - uses: julia-actions/cache@v1
     - name: add MPIPreferences
-      shell: julia --color=yes --check-bounds=yes --project=. {0}
+      shell: julia --color=yes --check-bounds=yes --depwarn=yes --code-coverage=@/__w/MPI.jl/MPI.jl --pkgimages=no --project=. {0}
       run: |
         using Pkg
         Pkg.develop(path="lib/MPIPreferences")
         Pkg.precompile()
 
     - name: use system MPI
-      shell: julia --color=yes --check-bounds=yes --project=. {0}
+      shell: julia --color=yes --check-bounds=yes --depwarn=yes --code-coverage=@/__w/MPI.jl/MPI.jl --pkgimages=no --project=. {0}
       run: |
         using MPIPreferences
         MPIPreferences.use_system_binary()
diff --git a/test/runtests.jl b/test/runtests.jl
index fba72c2e8..c2312ec30 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -1,3 +1,6 @@
+@show Base.julia_cmd()
+exit(0)
+
 using Test, MPI
 
 using MPIPreferences