assertFunctionReturnsResult(totalItemsAvailableFromPage, [{
    when: 'provided source with totalItemsAvailableFromPagePathTemplate property as parameter',
    params: [undefined, wh.one('source'), wh.one('contentType')],
    before: function(done) {
      this.params[0] = wh.itemPage(this.params[1], this.params[2]);