Setting higher command timeout

behat.yml

saucelabs:
  extensions:
    Behat\MinkExtension\Extension:
      default_session: selenium2
      base_url: 'http://example.com'
      selenium2:
        browser: chrome
        wd_host: 'USERNAME:TOKEN@ondemand.saucelabs.com/wd/hub'
        capabilities:
          platform: 'Windows 2012'
          browser: chrome
          version: '26'
          name: 'APP NAME'
          command-timeout: '600'
          max-duration: '600'

composer.json

    "require-dev": {
        "behat/mink-zombie-driver": "*",
        "behat/mink": "*",
        "behat/mink-goutte-driver": "*",
        "behat/mink-selenium-driver": "*",
        "behat/mink-selenium2-driver": "*",
        "behat/mink-extension": "dev-CommandTimeout",
        "behat/mink-sahi-driver": "*",
    },
    "repositories": [
        {
            "type": "git",
            "url": "https://github.com/alnutile/MinkExtension.git"
        }
    ],