chore: fix test cases

.github/workflows/js-tests.yml

@@ -30,14 +30,6 @@ jobs:
     - name: Setup npm
       run: npm i -g npm@8.5.x
 
-    # - name: Install Firefox 61.0
-    #   run: |
-    #     sudo apt-get purge firefox
-    #     wget "https://ftp.mozilla.org/pub/firefox/releases/61.0/linux-x86_64/en-US/firefox-61.0.tar.bz2"
-    #     tar -xjf firefox-61.0.tar.bz2
-    #     sudo mv firefox /opt/firefox
-    #     sudo ln -s /opt/firefox/firefox /usr/bin/firefox
-
     - name: Install Required System Packages
       run: sudo apt-get update && sudo apt-get install libxmlsec1-dev ubuntu-restricted-extras xvfb