fix Windows tests

Author: Alexandre Lissy

.github/workflows/enterprise.yml

@@ -350,7 +350,7 @@ jobs:
       - name: "unpack firefox build"
         id: unpack
         run: |
-          unzip ./obj-*/dist/firefox-*.win64.zip
+          C:\mozilla-build\bin\unzip.exe ./obj-*/dist/firefox-*.win64.zip
 
       - name: "install python"
         run: |
@@ -359,7 +359,7 @@ jobs:
       - name: "install deps"
         run: |
           curl -sSL https://github.com/mozilla/geckodriver/releases/download/v0.36.0/geckodriver-v0.36.0-win32.zip
-          unzip geckodriver-v0.36.0-win32.zip
+          C:\mozilla-build\bin\unzip.exe geckodriver-v0.36.0-win32.zip
           . venv_tests/bin/activate
           pip3 install -r requirements.txt