public function testShouldReturnAValidIdToken()
{
$testConfig = $this->verifyIdTokenMinimal;
$now = time();
$origIdToken = ['aud' => $testConfig['audience'], 'iss' => $testConfig['issuer'], 'exp' => $now + 65, 'iat' => $now];
$o = new OAuth2($testConfig);
$alg = 'RS256';
$jwtIdToken = $this->jwtEncode($origIdToken, $this->privateKey, $alg);
$o->setIdToken($jwtIdToken);
$roundTrip = $o->verifyIdToken($this->publicKey, array($alg));
$this->assertEquals($origIdToken['aud'], $roundTrip->aud);
}