Co-authored-by: Sebastián Ramírez <tiangolo@gmail.com>
This test looks fine, but there's a problem.
-If we run it, it will use the same **production database** that we are using to store our very important **heroes**, and we will end up adding adding unnecesary data to it, or even worse, in future tests we could end up removing production data.
+If we run it, it will use the same **production database** that we are using to store our very important **heroes**, and we will end up adding unnecesary data to it, or even worse, in future tests we could end up removing production data.
So, we should use an independent **testing database**, just for the tests.