PayWithAmazon\ClientTest::testGetUserInfo PHP Method

    public function testGetUserInfo()
    {
        try {
            $this->configParams['region'] = '';
            $client = new Client($this->configParams);
            $client->getUserInfo('Atza');
        } catch (\Exception $expected) {
            $this->assertRegExp('/is a required parameter./i', strval($expected));
        }
        try {
            $this->configParams['region'] = 'us';
            $client = new Client($this->configParams);
            $client->getUserInfo(null);
        } catch (\Exception $expected) {
            $this->assertRegExp('/Access Token is a required parameter and is not set./i', strval($expected));
        }
    }