Sorry, the 2017 Mock Tests are not printable.
You can tell is a test is printable if the there is a bold print icon at the side of the browse feature (the eye).
There are some printable CEM tests A1, A2, B1, B2, C1 and C2 if you need them.
Further back, there are some printable GL-style past mocks (can be used as practice papers) year 2009.
There are also some GL-style practice papers that are printable for maths (5 of these) and VR (8 of these) – found when you tick the archived tests box.
I hope that helps you to find some useful tests to use. The advantage of the online ones is that all the timing and marking is done for you.