[e2e tests] External sites - update products/add-variable-product folder (#50942)

* Include add-variable-product/**/*.spec.js for Pressable env

* Use unique identifier for the Update button

* Add changefile(s) from automation for the following project(s): woocommerce

* Add changefile(s) from automation for the following project(s): woocommerce

* Remove @local tag

* Use getBy* instead of locator

* Use `locator( '#publishing-action' )`

* Fix lint issues

---------

Co-authored-by: github-actions <github-actions@github.com>

plugins/woocommerce/changelog/50942-e2e-external-sites-update-add-variable-product

@@ -0,0 +1,4 @@
+Significance: patch
+Type: update
+
+Update `add-variable-product` e2e tests, so they are passing against Pressable env.

plugins/woocommerce/tests/e2e-pw/envs/default-pressable/playwright.config.js

@@ -9,6 +9,7 @@ config = {
 			use: { ...devices[ 'Desktop Chrome' ] },
 			testMatch: [
 				'**/basic.spec.js',
+				'**/merchant/products/add-variable-product/**/*.spec.js',
 				'**/activate-and-setup/**/*.spec.js',
 				'**/merchant/products/block-editor/**/*.spec.js',
 			],

plugins/woocommerce/tests/e2e-pw/tests/merchant/products/add-variable-product/create-product-attributes.spec.js

@@ -133,7 +133,10 @@ test.describe( 'Add product attributes', { tag: '@gutenberg' }, () => {
 						'options=woocommerce_task_list_reminder_bar_hidden'
 					)
 			);
-			await page.getByRole( 'button', { name: 'Update' } ).click();
+			await page
+				.locator( '#publishing-action' )
+				.getByRole( 'button', { name: 'Update' } )
+				.click();
 
 			const response = await finalRequestResolution;
 			expect( response.ok() ).toBeTruthy();