---root=<dir>::
- This runs the testsuites specified under a separate directory.
- However, caution is advised, as not all tests are maintained
- with this relocation in mind, so some tests may behave
- differently.
-
- Pointing this argument at a tmpfs filesystem can improve the
- speed of the test suite for some users.
-
-Certain tests require precomputed databases to complete. You can fetch these
-databases with
-
- make download-test-databases
-
-If you do not download the test databases, the relevant tests will be
-skipped.
-