I agree that you can glean trends from inaccurately reported data, but I'm asking because I want to know if there is a source that is attempting accurate reporting in Florida, or if Florida is counting things differently than they were a while ago.
You need 95% of your cases to be negative if you expect any accuracy in your case%. If you're at 10% positive or 15% positive, then if you double your testing, you double your cases.
10% positive suggests a testing-kit shortage. That's what's going on in my state, we've begun to ration testing-kits. We only give out testing kits to those with symptoms.
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At some point, your hospital systems favor the individual's health over accurate reporting of statistics. Under such circumstances, it becomes important to use alternative measures for how bad the surge is. Focusing on "% change" is one of the most effective ways of factoring in this issue.