public function describe($title, \Closure $closure)
{
$previous = $this->current;
$suite = new Suite($title, $closure, $previous);
// If current is null, this is the root suite for the file
if ($this->current === null) {
$this->suites[] = $suite;
} else {
$this->current->addSuite($suite);
}
$this->current = $suite;
$suite->getClosure()->__invoke();
$this->current = $previous;
}