Symfony\Component\Filesystem\Tests\FilesystemTest::testMkdirCreatesDirectoriesFails PHP Method

    public function testMkdirCreatesDirectoriesFails()
    {
        $basePath = $this->workspace . DIRECTORY_SEPARATOR;
        $dir = $basePath . '2';
        file_put_contents($dir, '');
        $this->filesystem->mkdir($dir);
    }