Fix flaky e2e test merchant filling regular price in inventory tab (#49226)

plugins/woocommerce/changelog/e2e-fix-flaky-create-variable-fill-regular-price-inventory-tab

@@ -0,0 +1,4 @@
+Significance: patch
+Type: dev
+
+E2E tests: Fix flaky filling regular price in the inventory tab

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

@@ -269,6 +269,16 @@ test.describe( 'Variations tab', { tag: '@gutenberg' }, () => {
 
 			await getVariationsResponsePromise;
 
+			// Wait for response only to avoid flaky filling regular price below in Inventory tab
+			const waitResponse = page.waitForResponse(
+				( response ) =>
+					response
+						.url()
+						.includes(
+							'wp-json/wc-admin/options?options=woocommerce_dimension_unit'
+						) && response.status() === 200
+			);
+
 			await page
 				.locator( '.woocommerce-product-variations__table-body > div' )
 				.first()
@@ -286,6 +296,8 @@ test.describe( 'Variations tab', { tag: '@gutenberg' }, () => {
 				.getByLabel( 'Regular price', { exact: true } )
 				.waitFor( { state: 'visible' } );
 
+			await waitResponse;
+
 			await page
 				.getByLabel( 'Regular price', { exact: true } )
 				.pressSequentially( '100' );