The new pies are filled with sliced apples rather than diced apples and come with a lattice top crust instead of the current diagonal slashes. The changes seems to be pushing the pies to be more like a traditional pie rather than a turnover.
With the test, that means Fried Apple Pies are no longer available here in Southern California. Prices remain the same at 89 cents a pie (may vary).
Here's a picture of the current Baked Apple Pie for reference:
Photos via McDonald's.