function _hasExpansions(oOptions) {
		return oOptions.ancestor || oOptions.descendant || oOptions.sibling;
	}
check if a selector contains "expansion" values, meaning values that are nested selector objects
@param {object} oOptions An Object containing conditions for control search similar to {@link sap.ui.test.Opa5#waitFor}
@return {boolean} true if the selector has "expansion" values
@private