[ticket/14484] Move facebook webdriver to main composer.json

Also updated ui test case file to have same feature set as
the 3.2.x version.

PHPBB3-14484

travis/install-phpbb-test-dependencies.sh

@@ -1,16 +0,0 @@
-#!/bin/bash
-#
-# This file is part of the phpBB Forum Software package.
-#
-# @copyright (c) phpBB Limited <https://www.phpbb.com>
-# @license GNU General Public License, version 2 (GPL-2.0)
-#
-# For full copyright and license information, please see
-# the docs/CREDITS.txt file.
-#
-set -e
-set -x
-
-cd tests
-php ../composer.phar install --dev --no-interaction --prefer-source
-cd ..