-Improved visual effects (lowered the lightmap scale down to 2) for the first and last puzzle
-Fixed exploit related to throwing cubes through the fizzler while standing on the button in the second test
-Increased the gap between the light bridge and ground in the last test to avoid confusion and exploits
-Fixed players getting stuck in the rubble after the second test (again)

-Fixed the laser field causing physics props like cubes to bounce off of it
-Added sound to the laser field
-Added signage to the first test without a portal gun
-Changed the second vertical door animation to open faster

-Fixed some lighting issues
-Several pipes now have correct lighting (thanks to Konke for spotting the issue)
-Portal gun will now be lit properly when using the behind the scenes elevator
-Players can no longer get stuck in the debris (thanks to wildgoosespeeder)
-Removed white wall from a test, because it could cause confusion and get exploited.