function it_determines_whether_a_given_file_exists()
{
$this->exists('foo.txt')->shouldBe(true);
unlink(VfsStream::url('root_dir/foo.txt'));
$this->exists('foo.txt')->shouldBe(false);
}
protected function create_virtual_filesystem($structure = [])
{
VfsStream::setup('root_dir', null, $structure);
config(['content.root' => VfsStream::url('root_dir')]);
}