If increased testing was the cause, the rate of positive tests would decrease. But what is actually observed is that the rate increased in many states, so the i

If increased testing was the cause, the rate of positive tests would decrease. But what is actually observed is that the rate increased in many states, so the increased number of cases is real. The amount of testing also didn't increase significantly in the last week or so in most states, but some states like Arizona, Florida, California or Texas still had drastically increased numbers of cases.