5. Factor out the unit-norm basis (and operator symmetry) tests once
all of the algebras pass.
-6. The EJA random element method only returns two summands by default.
\ No newline at end of file
+6. Override inner_product(), _max_test_case_size(), et cetera in
+ DirectSumEJA.
+
+7. Switch to QQ in *all* algebras for _charpoly_coefficients().