minor #15848 [Console] Add clock mock to fix transient test on HHVM (nicolas-grekas)

This PR was merged into the 2.3 branch.

Discussion
----------

[Console] Add clock mock to fix transient test on HHVM

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | -
| License       | MIT
| Doc PR        | -

This should fix the most frequent transient test on HHVM (ProgressBarTest::testAnsiColorsAndEmojis)

Commits
-------

549f43b [Console] Add clock mock to fix transient test on HHVM

src/Symfony/Component/Console/Tests/ClockMock.php

@@ -0,0 +1,41 @@
+<?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\Console\Helper;
+
+use Symfony\Component\Console\Tests;
+
+function time()
+{
+    return Tests\time();
+}
+
+namespace Symfony\Component\Console\Tests;
+
+function with_clock_mock($enable = null)
+{
+    static $enabled;
+
+    if (null === $enable) {
+        return $enabled;
+    }
+
+    $enabled = $enable;
+}
+
+function time()
+{
+    if (!with_clock_mock()) {
+        return \time();
+    }
+
+    return $_SERVER['REQUEST_TIME'];
+}

src/Symfony/Component/Console/Tests/Helper/ProgressHelperTest.php

@@ -13,9 +13,22 @@ namespace Symfony\Component\Console\Tests\Helper;
 
 use Symfony\Component\Console\Helper\ProgressHelper;
 use Symfony\Component\Console\Output\StreamOutput;
+use Symfony\Component\Console\Tests;
+
+require_once __DIR__.'/../ClockMock.php';
 
 class ProgressHelperTest extends \PHPUnit_Framework_TestCase
 {
+    protected function setUp()
+    {
+        Tests\with_clock_mock(true);
+    }
+
+    protected function tearDown()
+    {
+        Tests\with_clock_mock(false);
+    }
+
     public function testAdvance()
     {
         $progress = new ProgressHelper();

src/Symfony/Component/HttpFoundation/Tests/ClockMock.php

@@ -11,7 +11,7 @@
 
 namespace Symfony\Component\HttpFoundation;
 
-function time($asFloat = false)
+function time()
 {
     return Tests\time();
 }

src/Symfony/Component/HttpFoundation/Tests/CookieTest.php

@@ -23,16 +23,14 @@ require_once __DIR__.'/ClockMock.php';
  */
 class CookieTest extends \PHPUnit_Framework_TestCase
 {
-    public function setUp()
+    protected function setUp()
     {
         with_clock_mock(true);
-        parent::setUp();
     }
 
-    public function tearDown()
+    protected function tearDown()
     {
         with_clock_mock(false);
-        parent::tearDown();
     }
 
     public function invalidNames()

src/Symfony/Component/HttpFoundation/Tests/ResponseHeaderBagTest.php

@@ -18,16 +18,14 @@ require_once __DIR__.'/ClockMock.php';
 
 class ResponseHeaderBagTest extends \PHPUnit_Framework_TestCase
 {
-    public function setUp()
+    protected function setUp()
     {
         with_clock_mock(true);
-        parent::setUp();
     }
 
-    public function tearDown()
+    protected function tearDown()
     {
         with_clock_mock(false);
-        parent::tearDown();
     }
 
     /**

src/Symfony/Component/Stopwatch/Tests/StopwatchEventTest.php

@@ -24,16 +24,14 @@ class StopwatchEventTest extends \PHPUnit_Framework_TestCase
 {
     const DELTA = 37;
 
-    public function setUp()
+    protected function setUp()
     {
         with_clock_mock(true);
-        parent::setUp();
     }
 
-    public function tearDown()
+    protected function tearDown()
     {
         with_clock_mock(false);
-        parent::tearDown();
     }
 
     public function testGetOrigin()

src/Symfony/Component/Stopwatch/Tests/StopwatchTest.php

@@ -24,16 +24,14 @@ class StopwatchTest extends \PHPUnit_Framework_TestCase
 {
     const DELTA = 20;
 
-    public function setUp()
+    protected function setUp()
     {
         with_clock_mock(true);
-        parent::setUp();
     }
 
-    public function tearDown()
+    protected function tearDown()
     {
         with_clock_mock(false);
-        parent::tearDown();
     }
 
     public function testStart()