void () { ComparisonFailureData notification = createNotification("expected: com.google.common.collect.SingletonImmutableList<[1]> but was: com.google.common.collect.SingletonImmutableList<[1]>"); Assert.assertNotNull(notification); Assert.assertEquals("com.google.common.collect.SingletonImmutableList<[1]>", notification.getExpected()); Assert.assertEquals("com.google.common.collect.SingletonImmutableList<[1]>", notification.getActual()); }