File structure is assumed to be like this:
/
js/
main.js
modules/
bar.js
bar.test.js
foo.js
foo.test.js
lib/
require.js
test/
mocha_test.html
mocha/ …
Then, just visit: http://localhost/js/test/mocha_test.html?files=modules/foo.test.js,modules/bar.test.js