prepare: Since we have separate files, we can't get correct line numbers, so, use function name (if any) in debug logs to help to identify what is where.
svn path=/trunk/ahk_tests/; revision=1957
2.move_tanks: check if can move down, take blue dot, move tanks and exit game.
The test succeeds on both win2k3 sp2 and winxp sp3.
svn path=/trunk/ahk_tests/; revision=1894