This test is mainly about all the grammar we've had so far (unit 1 - 6)
How to learn for this? > practice makes perfect!
You can use websites such as www.ego4you.com to practice your grammar, or any of these:
http://www.englishpage.com/verbpage/verbtenseintro.html
http://www.meestergijs.nl/grammatica/
http://www.perfect-english-grammar.com/grammar-exercises.html
http://www.perfect-english-grammar.com/grammar-exercises.html
Also, you'll get a reading, listening and communication exercise as you're used to in the normal tests.