@Test
public void testShouldVerify() throws Exception {

  RewardedAdsVerifier verifier =
      new RewardedAdsVerifier.Builder()
          .setVerifyingPublicKeys(GOOGLE_VERIFYING_PUBLIC_KEYS_JSON)
          .build();
  verifier.verify(signUrl(REWARD_URL, GOOGLE_SIGNING_PRIVATE_KEY_PKCS8_BASE64, KEY_ID));
}