docs: function loadMock (mockData, options) {
      // make sure options is object
      options = requireValidOptionalObject(options)
      // load mock data from either array or object
      Array.isArray(mockData)
          // if data is array then load each mock in array
          ? _.each(mockData, mockData => _loadMock(mockData, options))
          // load mock data object
          : _loadMock(mockData, options)
  }