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diff --git a/vendor/behat/behat/src/Behat/Behat/EventDispatcher/Cli/StopOnFailureController.php b/vendor/behat/behat/src/Behat/Behat/EventDispatcher/Cli/StopOnFailureController.php
new file mode 100644
index 000000000..d86b34573
--- /dev/null
+++ b/vendor/behat/behat/src/Behat/Behat/EventDispatcher/Cli/StopOnFailureController.php
@@ -0,0 +1,108 @@
+<?php
+
+/*
+ * This file is part of the Behat.
+ * (c) Konstantin Kudryashov <ever.zet@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Behat\Behat\EventDispatcher\Cli;
+
+use Behat\Behat\EventDispatcher\Event\AfterScenarioTested;
+use Behat\Behat\EventDispatcher\Event\ExampleTested;
+use Behat\Behat\EventDispatcher\Event\ScenarioTested;
+use Behat\Testwork\Cli\Controller;
+use Behat\Testwork\EventDispatcher\Event\AfterExerciseAborted;
+use Behat\Testwork\EventDispatcher\Event\AfterSuiteAborted;
+use Behat\Testwork\EventDispatcher\Event\ExerciseCompleted;
+use Behat\Testwork\EventDispatcher\Event\SuiteTested;
+use Behat\Testwork\Tester\Result\Interpretation\ResultInterpretation;
+use Behat\Testwork\Tester\Result\Interpretation\SoftInterpretation;
+use Behat\Testwork\Tester\Result\Interpretation\StrictInterpretation;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\EventDispatcher\EventDispatcherInterface;
+
+/**
+ * Stops tests on first scenario failure.
+ *
+ * @author Konstantin Kudryashov <ever.zet@gmail.com>
+ */
+final class StopOnFailureController implements Controller
+{
+    /**
+     * @var EventDispatcherInterface
+     */
+    private $eventDispatcher;
+
+    /**
+     * @var ResultInterpretation
+     */
+    private $resultInterpretation;
+
+    /**
+     * Initializes controller.
+     *
+     * @param EventDispatcherInterface $eventDispatcher
+     */
+    public function __construct(EventDispatcherInterface $eventDispatcher)
+    {
+        $this->eventDispatcher = $eventDispatcher;
+        $this->resultInterpretation = new SoftInterpretation();
+    }
+
+    /**
+     * Configures command to be executable by the controller.
+     *
+     * @param Command $command
+     */
+    public function configure(Command $command)
+    {
+        $command->addOption('--stop-on-failure', null, InputOption::VALUE_NONE,
+            'Stop processing on first failed scenario.'
+        );
+    }
+
+    /**
+     * Executes controller.
+     *
+     * @param InputInterface  $input
+     * @param OutputInterface $output
+     *
+     * @return null|integer
+     */
+    public function execute(InputInterface $input, OutputInterface $output)
+    {
+        if (!$input->getOption('stop-on-failure')) {
+            return null;
+        }
+
+        if ($input->getOption('strict')) {
+            $this->resultInterpretation = new StrictInterpretation();
+        }
+
+        $this->eventDispatcher->addListener(ScenarioTested::AFTER, array($this, 'exitOnFailure'), -100);
+        $this->eventDispatcher->addListener(ExampleTested::AFTER, array($this, 'exitOnFailure'), -100);
+    }
+
+    /**
+     * Exits if scenario is a failure and if stopper is enabled.
+     *
+     * @param AfterScenarioTested $event
+     */
+    public function exitOnFailure(AfterScenarioTested $event)
+    {
+        if (!$this->resultInterpretation->isFailure($event->getTestResult())) {
+            return;
+        }
+
+        $this->eventDispatcher->dispatch(SuiteTested::AFTER, new AfterSuiteAborted($event->getEnvironment()));
+        $this->eventDispatcher->dispatch(ExerciseCompleted::AFTER, new AfterExerciseAborted());
+
+        exit(1);
+    }
+}