BFP/BFN???tweak please ! Need three lines for positive!

Hay guys!
Got given some of these tests from a friend who works at a hospital! Need three lines for a positive. Only prob is I done this test at 17:55 and it's now 18:25! Isit still valid?? Could people please tweak if they have time? AF due Friday ( I have been naughty and tested a little early) thanks xx