Add mux tests
Add mux tests

cjdrake/pyeda,GtTmy/pyeda,GtTmy/pyeda,pombredanne/pyeda,karissa/pyeda,sschnug/pyeda,karissa/pyeda,karissa/pyeda,pombredanne/pyeda,sschnug/pyeda,sschnug/pyeda,pombredanne/pyeda,GtTmy/pyeda,cjdrake/pyeda,cjdrake/pyeda