Don't use bash, but fix path syntax for windows

.github/workflows/test_latest.yml

@@ -35,10 +35,6 @@ jobs:
         float_dtype_32: [false, true]
         python-version: ["${{ needs.get_python_versions.outputs.max-python }}"]
 
-    defaults:
-      run:
-        shell: bash
-
     steps:
       - name: Checkout Repository
         uses: actions/checkout@v3
@@ -69,8 +65,8 @@ jobs:
         run: ${{ steps.python.outputs.python-path }} -m pip install --pre -i https://pypi.anaconda.org/scientific-python-nightly-wheels/simple --extra-index-url https://pypi.org/simple .
       - name: Run Tests
         run: |
-          cd  $GITHUB_WORKSPACE/.. # move out of the workspace to avoid direct import
-          ${{ steps.python.outputs.python-path }} -Wd $GITHUB_WORKSPACE/dev/continuous-integration/run_test_suite.py
+          cd  ${{ github.workspace }} /.. # move out of the workspace to avoid direct import
+          ${{ steps.python.outputs.python-path }} -Wd ${{ github.workspace }}/dev/continuous-integration/run_test_suite.py
         env:
           DEPRECATION_ERROR: true
           AGENT_OS: ${{runner.os}}