Laracasts\Behat\Context\Services\MailTrap::requestClient PHP Method

    protected function requestClient()
    {
        if (!$this->client) {
            $this->client = new Client(['base_uri' => 'https://mailtrap.io', 'headers' => ['Api-Token' => $this->mailTrapApiKey]]);
        }
        return $this->client;
    }