yuitest_in_nodejs.js

var YUI = require("yui3").YUI
  , otherSuite = require("./other_suite")
  ;

YUI({logInclude:{TestRunner:true}}).use("test", function(Y) {
  var suite = new Y.Test.Suite("Server Test Suite");

  var test_nothing = new Y.Test.Case({
    name: "Testing nothing",
    "testing nothing special": function() {
      Y.Assert.areEqual(5,5);
    }
  });
  suite.add(test_nothing)

  Y.Test.Runner.add(suite);
  //Y.Test.Runner.add(otherSuite);
  //Y.Test.Runner.run();           // works totally fine
  var tap = Y.Test.Runner.getResult(Y.Test.Format.TAP);
  console.log(tap);                // nothing
});