private Subscription verifySubscription(final String subscriptionData) throws IOException {
    final Subscription subscription = xmlMapper.readValue(subscriptionData, Subscription.class);
    Assert.assertEquals(subscription.getUuid(), "44f83d7cba354d5b84812419f923ea96");
    Assert.assertEquals(subscription.getState(), "active");
    Assert.assertEquals(subscription.getUnitAmountInCents(), (Integer) 800);
    Assert.assertEquals(subscription.getCurrency(), "EUR");
    Assert.assertEquals(subscription.getQuantity(), (Integer) 1);
    Assert.assertEquals(subscription.getActivatedAt(), new DateTime("2011-05-27T07:00:00Z"));
    Assert.assertNull(subscription.getCanceledAt(), "");
    Assert.assertNull(subscription.getExpiresAt(), "");
    Assert.assertEquals(
        subscription.getCurrentPeriodStartedAt(), new DateTime("2011-06-27T07:00:00Z"));
    Assert.assertEquals(
        subscription.getCurrentPeriodEndsAt(), new DateTime("2010-07-27T07:00:00Z"));
    Assert.assertNull(subscription.getTrialStartedAt(), "");
    Assert.assertNull(subscription.getTrialEndsAt(), "");
    Assert.assertEquals(subscription.getStartsAt(), new DateTime("2010-07-28T07:00:00Z"));
    Assert.assertEquals(subscription.getCollectionMethod(), "manual");
    Assert.assertEquals(subscription.getNetTerms(), (Integer) 10);
    Assert.assertEquals(subscription.getPoNumber(), "PO19384");
    Assert.assertEquals(subscription.getFirstRenewalDate(), new DateTime("2011-07-01T07:00:00Z"));

    return subscription;
  }