Thanks for doing the test, youve somewhat completed it. You need to put it in airplane mode, this will ensure all your chips are turned off (wifi, cellphone etc). Then its simple just turn on your gps, its the sat icon in the power control (or via gps on/off icon in the gps test app). Go to the app again and it will get a fix (accurracy lightens up), let it run for a minute after getting this fix.
Close down the app for atleast 1 minutes (gps turns off automatically - flashing icon in notification bar disappears) then run the app again and see if you get a fix again - simple. If you dont mind I would appreciate it if you could do the test again, additionally if you ever root the phone (dont do it for this reason) then I would appreciate if you could run/ report your results for this too.