Tests are getting harder and more deadlier as you progresss, and in number 05 you will have to understand how the purple fizzler works.
I want to give some credit to FourthReaper from http://www.thinkingwithportals for sharing his fizzlers as well to the community for their feedback and help.
Click here to download Jade's test chamber 05
Click here to download Jade's test chamber 05
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For some reason the laser ball flying around looked like a purple block to me but other than that everything worked good. I also found the exploding walking cube portion wierd because you can just walk and skip it all. In the second chamber I tried to throw an exploding cube up to the highest platform and it fizzled for some reason. This caused all of the cubes after that to get stuck into the dropper and made the puzzle impossible. I have a video about that too but I forgot to include it to my solution video below.
Map looked great except the back white wall in the second chamber has it's texture missaligned. I don't know if that is intentional but it did struck my eye.
Great job and I hope we will hear more from you.
Here is my solution:
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That pinkie texture you saw in the combine ball it's because i messed something when including files with pakrat, that will be fixed.
I know about the explosive cube issue. I though it was fixxed >.< but it seems it needs a second look.
About that missaligned texture,well, i can only say that it will be aligned 
The kamikaze cubes, well, some people though that they believed they were necesary for a puzzle and then they found out their faces blowed away 
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Also I forgot to mention that the laser ball seems to jump in different angles and sometimes the angle gets so steep that part is really easy. You don't need those 2 portal surfaces either. Minor thing but I would try to take the random factor out of it.