It's really hard and I don't know how to explain the position in which the phone must be to complete the test.
If it can help you, for the 45+ test the values have to be X 5,5; Y 5,5; Z 5,5. For the 45- test the values the values have to be X -5,5; Y -5,5; Z -5,5. I hope it will help you...