Object.keys(getNames(lang)).forEach(function(code) {
   assert.notEqual(getAlpha2Codes()[code], -1, "entry for " + code + " is too much");
 });
 test('complete (to less)', function(assert) {
   Object.keys(getAlpha2Codes()).forEach(function(code) {
     assert.notEqual(getName(code, lang), undefined, "missing entry for " + code);
   });
 });