So siehts ganz gut aus !

node_modules/void-elements/test/index.js

@@ -0,0 +1,5 @@
+var assert = require('assert');
+var voidElements = require('../');
+assert(!voidElements.span, '<span> is not a void element');
+assert(voidElements.img, '<img> is a void element');
+console.log('tests passed');