public function setIssuedAtMustChangeTheIatClaim()
{
$builder = $this->createBuilder();
$builder->issuedAt(2);
self::assertAttributeEquals(['alg' => 'none', 'typ' => 'JWT'], 'headers', $builder);
self::assertAttributeEquals(['iat' => $this->defaultClaim], 'claims', $builder);
}