Downgrade selenium until it works with latest linux browser versions

composer.json

@@ -17,7 +17,7 @@
         "joomla-projects/joomla-browser": "v3.9.0",
         "consolidation/robo": "^1.0.0",
         "joomla-projects/joomla-testing-robo": "~1.0",
-        "joomla-projects/selenium-server-standalone": "^v3.1.0",
+        "joomla-projects/selenium-server-standalone": "^v3.14.0",
         "fzaninotto/faker": "^1.6",
         "joomla-projects/jorobo": "~0.7",
         "behat/gherkin": "^4.4.1"

composer.lock

@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "1b0489cad34d1fd663da3e41426498d1",
+    "content-hash": "db99c7bbc7374f5761f251e14e3530ff",
     "packages": [],
     "packages-dev": [
         {