Below we can try to keep a log of which bugs are found with which ctests. This
way we can see which tests are the most useful. It is difficult to objectively
differentiate between minor bugs and important bugs.
+
+Examples where convergence tests took time and annoyance to figure out that
+they were actually "false positives" (i.e., no bug that is worth the time or
+complexity to fix):
+
+https://www.mail-archive.com/search?l=mid&q=20210125200655.e27xaaoy2belyxhw%40tallinn