Update run_unit_tests.yml

Author: johmedr

.github/workflows/run_unit_tests.yml

@@ -98,7 +98,7 @@ jobs:
         if: matrix.os_name == 'Windows'
         shell: bash
         run: |
-          export PATH=${PATH};${{ env.MATLAB_PATH }}/runtime/win64;${{ env.MATLAB_PATH }}/runtime/win32
+          export PATH="${PATH}:${{ env.MATLAB_PATH }}/runtime/win64:${{ env.MATLAB_PATH }}/runtime/win32"
           python -m unittest discover tests -v
 
       - name: Run tests (Linux)