Fixing windows by using cmd shell to run tests

Author: oleksandr-pavlyk

.github/workflows/conda-package.yml

@@ -185,6 +185,10 @@ jobs:
     env:
       CHANNELS: -c intel -c main --override-channels
 
+    defaults:
+      run:
+        shell: cmd /C CALL {0}
+
     steps:
       - name: Download artifact
         uses: actions/download-artifact@v2
@@ -230,7 +234,6 @@ jobs:
       - name: Install opencl_rt
         run: conda install opencl_rt -c intel --override-channels
       - name: Install dpctl
-        shell: cmd
         run: |
           @ECHO ON
           copy /Y ${{ env.GITHUB_WORKSPACE }}\ver.json .
@@ -239,9 +242,10 @@ jobs:
              SET PACKAGE_VERSION=%%F
           )
           conda install ${{ env.PACKAGE_NAME }}=%PACKAGE_VERSION% pytest python=${{ matrix.python }} -c ${{ env.GITHUB_WORKSPACE }}/channel ${{ env.CHANNELS }}
-          # Test installed packages
+          REM Test installed packages
           conda list
       - name: Add library
+        shell: pwsh
         run: |
           echo "OCL_ICD_FILENAMES=C:\Miniconda\Library\lib\intelocl64.dll" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append
           try {$list = Get-Item -Path HKLM:\SOFTWARE\Khronos\OpenCL\Vendors | Select-Object -ExpandProperty Property } catch {$list=@()}
@@ -276,14 +280,12 @@ jobs:
       - name: Smoke test
         run: |
           set SYCL_ENABLE_HOST_DEVICE=1
-          & { [Environment]::SetEnvironmentVariable("Path", $env:Path + ";C:\Miniconda\Library\bin\", [EnvironmentVariableTarget]::Machine) }
           python -c "import dpctl; dpctl.lsplatform()"
           python -c "import dpctl; print(dpctl.get_devices(backend='opencl', device_type='gpu'))"
           python -c "import dpctl; print(dpctl.get_num_devices(backend='opencl', device_type='gpu'))"
       - name: Run tests
         run: |
           set SYCL_ENABLE_HOST_DEVICE=1
-          & { [Environment]::SetEnvironmentVariable("Path", $env:Path + ";C:\Miniconda\Library\bin\", [EnvironmentVariableTarget]::Machine) }
           python -m pytest -p no:faulthandler --pyargs ${{ env.MODULE_NAME }}
 
   upload_linux: