Finished converting rest of mux tests to table tests
Finished converting rest of mux tests to table tests

Separated the tests in to test functions depending on what they are
testing.

Moved some test-specific functiosn in to closures within the test
functions themselves.

heetch/mux,matk86/mux,scriptoLLC/mux,Manbeardo/mux,buddhamagnet/mux,muroachanf/mux,Arkan/mux,Vorstack/mux,wfxiang08/mux,vonwenm/mux,pH14/mux,kiip/mux,w4ngyi/mux,studygolang/mux,gorilla/mux,coolljt0725/mux,laohanlinux/mux,TramPamPam/mux,outrightmental/go-mux,beyang/mux-clone,dvln/mux,gopherlabs/gopher-providers-mux,jboelter/mux,CedarLogic/mux,Gorilla/mux