nextcloud/tests/acceptance/composer.json

{
  "require-dev": {
    "behat/behat": "^3.0",
    "behat/mink": "^1.5",
    "behat/mink-extension": "*",
    "behat/mink-selenium2-driver": "*",
    "phpunit/phpunit": "~4.6"
  },
  "autoload": {
    "psr-4": {
      "": ["features/bootstrap", "features/core"]
    }
  }
}