Reusing token in Codeception

Api.php

<?php
namespace Helper;

class Api extends \Codeception\Module
{
	public $credentials = array(
		'username' => 'remo',
		'password' => '12345678'
	);
    
	private $jwt;


	public function getToken() {
		return $this->jwt;
	}

    public function _before(\Codeception\TestInterface $test) {
		$I = $this->getModule('REST');
		$I->haveHttpHeader('Content-Type', 'application/json');
		
		$I->sendPOST("/auth/login", $this->arrCredentials);

		$I->seeResponseCodeIs(200);
		$I->seeResponseIsJson();

		$response = $I->grabResponse();
		$json = json_decode((string)$jesponse);
		
		if ($json->result == 'OK') {
			$this->jwt = $json->jwt;
		} else {
			// ....
		}
	}
}

ApiCest.php

<?php 

class ApiCest 
{
    private $token;
    
    
    function createMeetingTest(ApiTester $I) {
        $data = array(
            "meeting_title" => "Meeting title",
            "meeting_date" => "2019-11-21 10:00:00"
        );
        
        $this->token = $I->getToken();
        
        $I->wantToTest('Create a meeting');
    	$I->amBearerAuthenticated($this->token);
		$I->sendPOST('/meetings', $data);
		$I->seeResponseCodeIs(200);
		$I->seeResponseIsJson();        
    }

    
}

login_output.json

{
  "result": "OK",
  "jwt": "blablablabla",
}