Update Selenium to 3.8.1 and Chromedriver to 2.38

Author: OndraM

.travis.yml

@@ -12,7 +12,7 @@ env:
   global:
     - DISPLAY=:99.0
     - BROWSER_NAME="htmlunit"
-    - CHROMEDRIVER_VERSION="2.35"
+    - CHROMEDRIVER_VERSION="2.38"
 
 matrix:
   include:
@@ -93,8 +93,8 @@ before_script:
   - if [ "$BROWSER_NAME" = "chrome" ]; then mkdir chromedriver; wget -q -t 3 https://chromedriver.storage.googleapis.com/$CHROMEDRIVER_VERSION/chromedriver_linux64.zip; unzip chromedriver_linux64 -d chromedriver; fi
   - if [ "$BROWSER_NAME" = "chrome" ]; then export CHROMEDRIVER_PATH=$PWD/chromedriver/chromedriver; fi
   - sh -e /etc/init.d/xvfb start
-  - if [ ! -f jar/selenium-server-standalone-3.4.0.jar ]; then wget -q -t 3 -P jar https://selenium-release.storage.googleapis.com/3.4/selenium-server-standalone-3.4.0.jar; fi
-  - java -Dwebdriver.firefox.marionette=false -Dwebdriver.chrome.driver="$CHROMEDRIVER_PATH" -jar jar/selenium-server-standalone-3.4.0.jar -log ./logs/selenium.log &
+  - if [ ! -f jar/selenium-server-standalone-3.8.1.jar ]; then wget -q -t 3 -P jar https://selenium-release.storage.googleapis.com/3.8/selenium-server-standalone-3.8.1.jar; fi
+  - java -Dwebdriver.firefox.marionette=false -Dwebdriver.chrome.driver="$CHROMEDRIVER_PATH" -jar jar/selenium-server-standalone-3.8.1.jar -enablePassThrough false -log ./logs/selenium.log &
   - until $(echo | nc localhost 4444); do sleep 1; echo Waiting for Selenium server on port 4444...; done; echo "Selenium server started"
   - php -S 127.0.0.1:8000 -t tests/functional/web/ &>>./logs/php-server.log &
   - until $(echo | nc localhost 8000); do sleep 1; echo waiting for PHP server on port 8000...; done; echo "PHP server started"

tests/functional/RemoteWebDriverTest.php

@@ -84,7 +84,6 @@ public function testShouldGetAllSessions()
 
         $this->assertArrayHasKey('capabilities', $sessions[0]);
         $this->assertArrayHasKey('id', $sessions[0]);
-        $this->assertArrayHasKey('class', $sessions[0]);
     }
 
     /**