Fix flaky filling SKU and verifying CYS footer e2e tests (#49191)

plugins/woocommerce/changelog/e2e-fix-flaky-cys-footer-and-filling-sku

@@ -0,0 +1,4 @@
+Significance: patch
+Type: dev
+
+E2E tests: Fix flaky filling SKU field and CYS footer

plugins/woocommerce/tests/e2e-pw/tests/customize-store/assembler/footer.spec.js

@@ -147,7 +147,7 @@ test.describe( 'Assembler -> Footers', { tag: '@gutenberg' }, () => {
 
 		for ( const footerPicker of footerPickers ) {
 			await footerPicker.waitFor();
-			await footerPicker.click();
+			await footerPicker.click( { delay: 300 } );
 
 			const footerPickerClass = await footerPicker
 				.frameLocator( 'iframe' )
@@ -160,6 +160,7 @@ test.describe( 'Assembler -> Footers', { tag: '@gutenberg' }, () => {
 				`footer div.wc-blocks-footer-pattern`
 			);
 
+			await footerPattern.waitFor();
 			await expect(
 				await footerPattern.getAttribute( 'class' )
 			).toContain( expectedFooterClass );

plugins/woocommerce/tests/e2e-pw/tests/merchant/products/block-editor/product-inventory-block-editor.spec.js

@@ -25,10 +25,20 @@ const test = baseTest.extend( {
 	},
 	page: async ( { page, product }, use ) => {
 		await test.step( 'go to product editor, inventory tab', async () => {
+			// This wait for response is only to avoid flakiness when filling SKU field
+			const waitResponse = page.waitForResponse(
+				( response ) =>
+					response
+						.url()
+						.includes(
+							'wp-json/wc-admin/options?options=woocommerce_dimension_unit'
+						) && response.status() === 200
+			);
 			await page.goto(
 				`wp-admin/post.php?post=${ product.id }&action=edit`
 			);
 			await page.getByRole( 'tab', { name: 'Inventory' } ).click();
+			await waitResponse;
 		} );
 
 		await use( page );