Upgrade PhantomJS to 2.x on Travis

- Fixes #60

.travis.yml

@@ -70,10 +70,27 @@ before_script:
   # Export web server URL for browser tests.
   - export SIMPLETEST_BASE_URL=http://localhost:8888
 
+  # Browser output.
+  - export BROWSERTEST_OUTPUT_DIRECTORY="/tmp"
+
+  # Upgrade PhantomJS to 2.x.
+  # @see https://github.com/travis-ci/travis-ci/issues/3225
+  # @see https://github.com/testdouble/present/commit/461ac72cdcfc4e87d84711550a638fbc12154567
+  # @see https://github.com/drupalcommerce/commerce/blob/8.x-2.x/.travis.yml
+  - export PHANTOMJS_VERSION=2.1.1
+  - mkdir travis-phantomjs
+  - wget https://github.com/Medium/phantomjs/releases/download/v$PHANTOMJS_VERSION/phantomjs-$PHANTOMJS_VERSION-linux-x86_64.tar.bz2 -O $PWD/travis-phantomjs/phantomjs-$PHANTOMJS_VERSION-linux-x86_64.tar.bz2
+  - tar -xvf $PWD/travis-phantomjs/phantomjs-$PHANTOMJS_VERSION-linux-x86_64.tar.bz2 -C $PWD/travis-phantomjs
+  - export PATH=$PWD/travis-phantomjs:$PATH
+  - phantomjs --version
+
+  # Start PhantomJS
+  - phantomjs --debug=true --ssl-protocol=any --ignore-ssl-errors=true ./vendor/jcalderonzumba/gastonjs/src/Client/main.js 8510 1024 768 &
+
 script:
   # Coding standards.
   - $HOME/.composer/vendor/bin/phpcs --report=full --standard=Drupal $TESTDIR
   # Run the PHPUnit tests which also include the kernel tests.
-  - ./vendor/phpunit/phpunit/phpunit -c ./core/phpunit.xml.dist ./modules/$MODULE_NAME
+  - ./vendor/phpunit/phpunit/phpunit -c ./core/phpunit.xml.dist ./modules/$MODULE_NAME -vvv
   # Run legacy simpletests.
   - php core/scripts/run-tests.sh --color --verbose --php `which php` --directory modules/$MODULE_NAME/src/Tests --dburl $SIMPLETEST_DB --url $SIMPLETEST_BASE_URL --sqlite ./.db.sqlite