function testRequest()
 {
     $tester = new FunctionalTester(__DIR__ . '/data/');
     $this->specify('request when multiple session are specified', function () use($tester) {
         $tester->setSession(['test' => 'hogehoge'], 'test1');
         $tester->setSession(['test' => 'hogehoge'], 'test2');
         $response = $tester->request('GET', 'session_test.php', ['test' => 'hogehoge']);
         $this->assertEquals(json_decode($response->getBody(), true)['test1'], ['test' => 'hogehoge']);
         $this->assertEquals(json_decode($response->getBody(), true)['test2'], ['test' => 'hogehoge']);
     });
 }