pho\Runner\Runner::describe PHP Method

    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;
    }