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diff --git a/vendor/symfony/finder/Tests/Shell/CommandTest.php b/vendor/symfony/finder/Tests/Shell/CommandTest.php
new file mode 100644
index 000000000..9ac275655
--- /dev/null
+++ b/vendor/symfony/finder/Tests/Shell/CommandTest.php
@@ -0,0 +1,166 @@
+<?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\Finder\Tests\Shell;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\Finder\Shell\Command;
+
+/**
+ * @group legacy
+ */
+class CommandTest extends TestCase
+{
+    public function testCreate()
+    {
+        $this->assertInstanceOf('Symfony\Component\Finder\Shell\Command', Command::create());
+    }
+
+    public function testAdd()
+    {
+        $cmd = Command::create()->add('--force');
+        $this->assertSame('--force', $cmd->join());
+    }
+
+    public function testAddAsFirst()
+    {
+        $cmd = Command::create()->add('--force');
+
+        $cmd->addAtIndex(Command::create()->add('-F'), 0);
+        $this->assertSame('-F --force', $cmd->join());
+    }
+
+    public function testAddAsLast()
+    {
+        $cmd = Command::create()->add('--force');
+
+        $cmd->addAtIndex(Command::create()->add('-F'), 1);
+        $this->assertSame('--force -F', $cmd->join());
+    }
+
+    public function testAddInBetween()
+    {
+        $cmd = Command::create()->add('--force');
+        $cmd->addAtIndex(Command::create()->add('-F'), 0);
+
+        $cmd->addAtIndex(Command::create()->add('-X'), 1);
+        $this->assertSame('-F -X --force', $cmd->join());
+    }
+
+    public function testCount()
+    {
+        $cmd = Command::create();
+        $this->assertSame(0, $cmd->length());
+
+        $cmd->add('--force');
+        $this->assertSame(1, $cmd->length());
+
+        $cmd->add('--run');
+        $this->assertSame(2, $cmd->length());
+    }
+
+    public function testTop()
+    {
+        $cmd = Command::create()->add('--force');
+
+        $cmd->top('--run');
+        $this->assertSame('--run --force', $cmd->join());
+    }
+
+    public function testTopLabeled()
+    {
+        $cmd = Command::create()->add('--force');
+
+        $cmd->top('--run');
+        $cmd->ins('--something');
+        $cmd->top('--something');
+        $this->assertSame('--something --run --force ', $cmd->join());
+    }
+
+    public function testArg()
+    {
+        $cmd = Command::create()->add('--force');
+
+        $cmd->arg('--run');
+        $this->assertSame('--force '.escapeshellarg('--run'), $cmd->join());
+    }
+
+    public function testCmd()
+    {
+        $cmd = Command::create()->add('--force');
+
+        $cmd->cmd('run');
+        $this->assertSame('--force run', $cmd->join());
+    }
+
+    public function testInsDuplicateLabelException()
+    {
+        $cmd = Command::create()->add('--force');
+
+        $cmd->ins('label');
+        $this->{method_exists($this, $_ = 'expectException') ? $_ : 'setExpectedException'}('RuntimeException');
+        $cmd->ins('label');
+    }
+
+    public function testEnd()
+    {
+        $parent = Command::create();
+        $cmd = Command::create($parent);
+
+        $this->assertSame($parent, $cmd->end());
+    }
+
+    public function testEndNoParentException()
+    {
+        $cmd = Command::create();
+
+        $this->{method_exists($this, $_ = 'expectException') ? $_ : 'setExpectedException'}('RuntimeException');
+        $cmd->end();
+    }
+
+    public function testGetMissingLabelException()
+    {
+        $cmd = Command::create();
+
+        $this->{method_exists($this, $_ = 'expectException') ? $_ : 'setExpectedException'}('RuntimeException');
+        $cmd->get('invalid');
+    }
+
+    public function testErrorHandler()
+    {
+        $cmd = Command::create();
+        $handler = function () { return 'error-handler'; };
+        $cmd->setErrorHandler($handler);
+
+        $this->assertSame($handler, $cmd->getErrorHandler());
+    }
+
+    public function testExecute()
+    {
+        $cmd = Command::create();
+        $cmd->add('php');
+        $cmd->add('--version');
+        $result = $cmd->execute();
+
+        $this->assertInternalType('array', $result);
+        $this->assertNotEmpty($result);
+        $this->assertRegExp('/PHP|HipHop/', $result[0]);
+    }
+
+    public function testCastToString()
+    {
+        $cmd = Command::create();
+        $cmd->add('--force');
+        $cmd->add('--run');
+
+        $this->assertSame('--force --run', (string) $cmd);
+    }
+}