No test is perfect 100% of the time. Best you can do is position yourself so that you are most likely to perform your best in each of the sections. Whether it's the test or it's you -- doesn't matter. Focus on what you can control - which is your own accuracy and timing.
If you prefer an additional practice test, you may find this one useful: www.gmatpill.com/gmat-practice-test/practice-test/
If you prefer an additional practice test, you may find this one useful: www.gmatpill.com/gmat-practice-test/practice-test/
