The "swim test" at BCC was swim a lap of their pool (olympic sized), any stroke no time limit. I doubt you could "fake" it, the pool is bigger than you think when you are swimming it.
Then tread water for a period of time (5 or 10 minutes). (The whole test is probably in their website somewhere.)
There was no swimming in my academy. But, you do have to complete the swim test at least once to be able to turn in an application in Broward County.
Individual departments may have their own requirements of applicants too.
And there is nothing wrong with Dade County, there are plenty of good departments down here.
This isn't Burger King, you are not going to get it your way.