revert firefox base and env

.github/workflows/test.yml

@@ -32,9 +32,6 @@ jobs:
             mesa-utils \
             xvfb
 
-      - name: Force software rendering
-        run: echo "LIBGL_ALWAYS_SOFTWARE=1" >> $GITHUB_ENV
-
       - name: Update npm
         run: npm install -g npm@10
 

karma.conf.cjs

@@ -87,8 +87,7 @@ module.exports = function (config) {
 
     customLaunchers: {
       FirefoxHeadlessTouch: {
-        base: 'Firefox',
-        flags: ['-headless'],
+        base: 'FirefoxHeadless',
         prefs: {
           'dom.w3c_touch_events.enabled': 1,
           'dom.events.asyncClipboard.clipboardItem': true,