Update to drupal 8.0.0-rc1. For more information, see https://www.drupal.org/node/2582663

vendor/symfony/http-kernel/Tests/DataCollector/TimeDataCollectorTest.php

@@ -0,0 +1,51 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpKernel\Tests\DataCollector;
+
+use Symfony\Component\HttpKernel\DataCollector\TimeDataCollector;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+
+class TimeDataCollectorTest extends \PHPUnit_Framework_TestCase
+{
+    public function testCollect()
+    {
+        $c = new TimeDataCollector();
+
+        $request = new Request();
+        $request->server->set('REQUEST_TIME', 1);
+
+        $c->collect($request, new Response());
+
+        $this->assertEquals(1000, $c->getStartTime());
+
+        $request->server->set('REQUEST_TIME_FLOAT', 2);
+
+        $c->collect($request, new Response());
+
+        $this->assertEquals(2000, $c->getStartTime());
+
+        $request = new Request();
+        $c->collect($request, new Response());
+        $this->assertEquals(0, $c->getStartTime());
+
+        $kernel = $this->getMock('Symfony\Component\HttpKernel\KernelInterface');
+        $kernel->expects($this->once())->method('getStartTime')->will($this->returnValue(123456));
+
+        $c = new TimeDataCollector($kernel);
+        $request = new Request();
+        $request->server->set('REQUEST_TIME', 1);
+
+        $c->collect($request, new Response());
+        $this->assertEquals(123456000, $c->getStartTime());
+    }
+}