code: function _suite(description, cb) {
              var test = new this(description, {});
              var it = test._addAction;
              _(["suite", "test", "timeout", "getAction", "beforeAll", "beforeEach",
                  "afterAll", "afterEach", "context", "get", "set", "skip"]).forEach(function (key) {
                      it[key] = test[key];
                  });
              cb(test);
              return test;
          }
docs: Creates a test with it.
  @param {String} description the description of the test.
  @param {Function} [cb] the function to invoke in the scope of the test. The it suite is passed as the first argument.
  @return {it.Suite} the test.