_selectPromotedItems() {
			let iRandom1;
			const aPromotedItems = this.getView().getModel("view").getProperty("/Promoted");
			const iRandom2 = Math.floor(Math.random() * aPromotedItems.length);
			do {
				iRandom1 = Math.floor(Math.random() * aPromotedItems.length);
			} while (iRandom1 === iRandom2);
			this.getModel("view").setProperty("/Promoted", [aPromotedItems[iRandom1], aPromotedItems[iRandom2]]);
		}
Select two random elements from the promoted products array.