No need to be so broad
Tests don't rely on Prezi stuff so much

You can also run the test by simply doing “gradle run” from the root
directory
Re-fix tests
Added Spaghetti.getResourceUrl() to both supported platforms (fixes #80)

RequireJS’s require.toUrl() is a hell of an API. Really not sure if
using it properly, but it seems to work fine.
Added some test code to test resource URLs (see #80)