[SP] Funnels and Lasers
Really? Wow, I've never actually been in flight where a laser had to hit me so good to know 
Actually everyone did, at least everyone who played singeplayer-portal2
remember the room with the 3 faithplates, and you have to deactivate walls so you can reach the next one? There is one laser there(Which you need to redirect) and everytime you jump with the faith plate you hit the laser, however if they were to deal damage you would get hit and fly down. That's the first time i noticed and it was proven by several fan maps.(this is quite a nice tool to avoid avoiding lasers XP you just need to jump through them)
...Must have not been paying close enough attention to notice. 
Sorry, but I haven't read through the other replies. However this is how I completed it. Found it to be too simple.
I didn't use the propulsion gel, or even notice it was there.
Screenies:
Needs prettying up more than anything. A mildy interesting puzzle to solve, but not to repeat. 3/5 from me, good to play once but removed from my playlist.
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The actual puzzle portion of the test is just fine and quite fun but my only complaint is the start and end of the test. It's another one of those maps where you just have to assume you won cause you got to the part where it says exit on the wall or you made it to the big empty room that just has a cake sitting in the middle of the floor. I know it's a petty complaint but what's to stop me from declaring victory sooner, like when I pulled the cube from the funnel or when I reached the faith plate? It's a pet peeve I've had since portal 1 but that aside nice work on this test.
[spoiler]It was barely funny in single player and even less funny when you do it. Knock it off.[/spoiler]