... request headers Listing 12.3 shows the test in full; save it in test/ ajax _test. js Listing 12.3 Testing for an XMLHttpRequest object TestCase("AjaxCreateTest", { "test should return XMLHttpRequest ... observable object in tests TestCase("ObservableAddObserverTest", { setUp: function () { this.observable = Object.create(tddjs.util.observable); }, /* */ }); TestCase("ObservableHasObserverTest", { setUp: ... ajax.js | ' request.js ` test ' ajax _test. js ' request _test. js Listing 12.2 The jsTestDriver.conf file server: http://localhost:4224 load: - lib/*.js - src/*.js - test/ *.js Please purchase...