text: define(function(require) {
      var noop = require("core/utils/common").noop;
  
      if(!("chrome" in window)) {
          return;
      }
  
      QUnit.test("sinon is patched to return negative descending identifiers", function(assert) {
          var clock = sinon.useFakeTimers(),
              id = setTimeout(noop, 1),
              id2 = setTimeout(noop, 2);
  
          assert.ok(id === -1000 && id2 === -1001, "sinon.js must be patched. See diff in the source of this test");
  
          // - var id = 1;
          // + var id = -1000;
  
          // - var toId = id++;
          // + var toId = id--;
  
          // NOTE because during clean-up of qunit-fixture, unmocked clearTimeout may be called for mocked timer id.
          // Appears in hang-ups of QUnit tests, because internal QUnit timeout gets cleared
  
          clock.restore();
      });
  });
  