text: it("should be able to use expressions in System.import (directory)", function(done) {
  	function load(name, expected, callback) {
  		System.import("./dir/" + name + "/file.js").then(function(result) {
  			result.should.be.eql(expected);
  			callback();
  		}).catch(function(err) {
  			done(err);
  		});
  	}
  	require.include("./dir/three/file");
  	load("one", 1, function() {
  		load("two", 2, function() {
  			load("three", 3, function() {
  				load("two", 2, function() {
  					done();
  				});
  			});
  		});
  	});
  });
  