title: Behat + mink + Selenium2 + chromeDriver: Do not launch chrome browser
body: <p>I am using ubuntu 14.4.</p>
  
  <p>When I run the test its works fine with firefox, where it launches the FF browser.</p>
  
  <p>But when I try the same with Chrome the test runs but it do not launch the browser.</p>
  
  <p>composer.json</p>
  
  <pre><code>{
      "require": {
      "behat/behat": "2.4.*@stable",
      "behat/mink": "1.5.*@stable",
      "behat/mink-goutte-driver": "*",
      "behat/mink-extension": "*",
      "behat/mink-selenium2-driver": "*"
      }
  }
  </code></pre>
  
  <p>behat.yml</p>
  
  <pre><code>default:
   paths:
    features: features
    bootstrap: %behat.paths.features%/bootstrap
   extensions:
    Behat\MinkExtension\Extension:
      base_url:  'path-to-my-site'
      default_session: selenium2
      browser_name: 'chrome'
      goutte: ~
      selenium2:
          wd_host: "http://127.0.0.1:4444/wd/hub"
  </code></pre>
  
  <p>Command to start Selenium Server</p>
  
  <pre><code>java -jar /path-to/selenium-server-standalone-2.47.1.jar -Dwebdriver.chrome.driver="/usr/local/share/chromedriver"
  </code></pre>
  
  <p>This is output of my above command:</p>
  
  <pre><code>11:27:46.064 INFO - Launching a standalone Selenium Server
  Setting system property webdriver.chrome.driver to /usr/local/share/chromedriver
  11:27:46.101 INFO - Java: Oracle Corporation 24.72-b04
  11:27:46.101 INFO - OS: Linux 3.13.0-32-generic amd64
  11:27:46.113 INFO - v2.47.1, with Core v2.47.1. Built from revision 411b314
  11:27:46.181 INFO - Driver provider org.openqa.selenium.ie.InternetExplorerDriver registration is skipped:
  registration capabilities Capabilities [{platform=WINDOWS, ensureCleanSession=true, browserName=internet explorer, version=}] does not match the current platform LINUX
  11:27:46.182 INFO - Driver provider org.openqa.selenium.edge.EdgeDriver registration is skipped:
  registration capabilities Capabilities [{platform=WINDOWS, browserName=MicrosoftEdge, version=}] does not match the current platform LINUX
  11:27:46.182 INFO - Driver class not found: com.opera.core.systems.OperaDriver
  11:27:46.182 INFO - Driver provider com.opera.core.systems.OperaDriver is not registered
  11:27:46.249 INFO - RemoteWebDriver instances should connect to: http://127.0.0.1:4444/wd/hub
  11:27:46.249 INFO - Selenium Server is up and running
  </code></pre>
  
  <p>Behat test command:</p>
  
  <pre><code>vendor/bin/behat
  </code></pre>
  
  <p>Output of behat test</p>
  
  <pre><code>Feature: Home page
      I am on a home page
  
    Scenario: Visit homepage                       # features/test.feature:4
      Given I go to "home.html"                    # FeatureContext::visit()
      Then I should see "We can change the world!" # FeatureContext::assertPageContainsText()
      Then I follow "Register"                     # FeatureContext::clickLink()
  
  1 scenario (1 passed)
  3 steps (3 passed)
  </code></pre>
  
  <p>Problem is the Test Works but the chrome browser is not launched. What am I doing wrong?</p>