code: function above (_super) {
      return function (n) {
        if ('undefined' !== typeof this._obj.__spy) {
          new Assertion(this._obj).to.be.spy;
  
          this.assert(
              this._obj.__spy.calls.length > n
            , 'expected ' + this._obj + ' to have been called more than #{exp} times but got #{act}'
            , 'expected ' + this._obj + ' to have been called at most #{exp} times but got #{act}'
            , n
            , this._obj.__spy.calls.length
          );
        } else {
          _super.apply(this, arguments);
        }
      }
    }
docs: # gt (n)
  
  Assert that a spy has been called more than `n` times.
  
  @param {Number} n times
  @api public