[racket-dev] should package "X" imply package "X-test"?

We have several packages "X" that imply packages "X-lib" and "X-doc"
--- and that seems good to me.

Some "X"s also imply "X-test", while other "X"s do not imply "X-test"
(even though "X-test" exists). We should change one of those sets to be
consistent with the other.

It's important that "X-lib" and "X-test" end up in the same source
repository, but I don't think that "X" clients necessarily need tests
for "X". So, I suggest that "X" should not imply "X-test".

Other opinions?