Illuminate\Foundation\Testing\Concerns\InteractsWithSession::assertSessionMissing PHP Метод

    public function assertSessionMissing($key)
    {
        if (is_array($key)) {
            foreach ($key as $k) {
                $this->assertSessionMissing($k);
            }
        } else {
            PHPUnit::assertFalse($this->app['session.store']->has($key), "Session has unexpected key: {$key}");
        }
        return $this;
    }