Update orders and product k6 tests to be more robust

plugins/woocommerce/tests/performance/requests/merchant/orders.js

@@ -55,8 +55,8 @@ export function orders() {
 		);
 		api_x_wp_nonce = findBetween(
 			response.body,
-			'wp-json\\/","nonce":"',
-			'",'
+			'wp.apiFetch.createNonceMiddleware( "',
+			'" )'
 		);
 
 		// Create request header with nonce value for use in subsequent requests.

plugins/woocommerce/tests/performance/requests/shopper/single-product.js

@@ -5,7 +5,7 @@ import { randomIntBetween } from "https://jslib.k6.io/k6-utils/1.1.0/index.js";
 import {
 	base_url,
 	product_url,
-	product_id,
+	product_sku,
 	think_time_min,
 	think_time_max,
 } from "../../config.js";
@@ -36,8 +36,8 @@ export function singleProduct() {
 		productPageTrend.add(response.timings.duration);
 		check(response, {
 			"is status 200": (r) => r.status === 200,
-			"body contains: product ID": (response) =>
-				response.body.includes(`id="product-${product_id}`),
+			"body contains: product SKU": (response) =>
+				response.body.includes(`class="sku">${product_sku}`),
 		});
 	});