-* Add the rest of the edge incidence tests.
+* Add the rest of the edge incidence tests. Make sure it works across
+ cubes, too.
-* Figure out why the tests for section (2.8),
- e.g. prop_c3000_identity, are affected by switching two vertices of
- a tetrahedron.
+* Update the test suite to use the test-framework package.
+
+* Add the section (2.9) tests.