function getTabTextDomId (oItem) {
		return oItem.getId() + "-label";
	}
Finds the ID of the DOM element that holds the text for a <code>TabStripItem</code>

@param {sap.m.TabStripItem} oItem The <code>TabStripItem</code> to search
@returns {string} The ID of the DOM element that holds the text for a <code>TabStripItem</code>
@private