fix Windows tests

Author: Alexandre Lissy

.github/workflows/enterprise.yml

@@ -360,15 +360,15 @@ jobs:
         run: |
           Invoke-WebRequest -Uri https://github.com/mozilla/geckodriver/releases/download/v0.36.0/geckodriver-v0.36.0-win32.zip -OutFile geckodriver-v0.36.0-win32.zip
           C:\mozilla-build\bin\unzip.exe geckodriver-v0.36.0-win32.zip
-          . venv_tests/bin/activate
+          . venv_tests\Scripts\activate
           pip3 install -r requirements.txt
 
       - name: "run tests"
         run: |
           RUNTIME_VERSION=$(./obj-*/dist/firefox --version | awk '{ print $3 }')
           sed -e "s/#RUNTIME_VERSION#/${RUNTIME_VERSION}/g" < expectations.json.in > expectations.json
           mkdir -p ./profiles/
-          . venv_tests/bin/activate
+          . venv_tests\Scripts\activate
           python3 test_firefox_start.py expectations.json ./obj-*/dist/firefox $PWD/geckodriver $PWD/profiles/
 
   macOS-build-vm: