There are a couple of problems of using slime with lisp unit.
- when a test fails and slime displays the stack trace, normally I can press 'v' on the stack trace line to navigate the editor to the line of code. This does not work if the point of breakage is inside a define-test. For some reason lisp-unit does not compile the code in a way which is accessible to slime.
- when I press C-c C-c on a test, the compiler does not check the code and present me with the compiler warnings/errors.