Simplify testing Backbone.js with Jasmine

spec-helper.js

// Global storing the Window's HREF and Title
var LocationHREF = window.location.href,
    DocumentTitle = document.title;

afterEach(function () {
  // Restore State back, only when needed
  if (window.location.href != LocationHREF) {
    window.history.pushState({}, DocumentTitle, LocationHREF);
  }
});