Fix "Creation of dynamic property CommandLineContext::$…BaseUrl is deprecated in CommandLineContext.php on line 41"

Signed-off-by: Joas Schilling <coding@schilljs.com>

build/integration/features/bootstrap/CommandLineContext.php

@@ -35,6 +35,8 @@ class CommandLineContext implements \Behat\Behat\Context\Context {
 	private $lastTransferPath;
 
 	private $featureContext;
+	private $localBaseUrl;
+	private $remoteBaseUrl;
 
 	public function __construct($ocPath, $baseUrl) {
 		$this->ocPath = rtrim($ocPath, '/') . '/';