Don't test tozier's problems, breaks coverage
Don't test tozier's problems, breaks coverage

If we test these files, they import his problem files which breaks
running test coverage
(https://travis-ci.org/lspector/Clojush/builds/98748412#L496).

We also can't just ignore them, because the cloverage arguments
for filtering tests don't seem to be working
(https://github.com/lshift/cloverage/issues/91).

thelmuth/Clojush,saulshanabrook/Clojush,thelmuth/Clojush,lspector/Clojush,lspector/Clojush,Vaguery/Clojush,Vaguery/Clojush,saulshanabrook/Clojush,NicMcPhee/Clojush,NicMcPhee/Clojush