Make e2e test `can discard industry changes when navigating back to "Store Details"` independent from previous tests (#38715)

* e2e test update

* handle modal on test

* Update deprecated method

---------

Co-authored-by: Rodel Calasagsag <rodel.calasagsag@automattic.com>

plugins/woocommerce/changelog/e2e-make-tests-independant-from-previous-tests

@@ -0,0 +1,4 @@
+Significance: patch
+Type: dev
+
+Ensure `can discard industry changes when navigating back to "Store Details"'` can run independent from previous tests

plugins/woocommerce/tests/e2e-pw/tests/activate-and-setup/complete-onboarding-wizard.spec.js

@@ -65,6 +65,29 @@ testRunner( 'Store owner can complete onboarding wizard', () => {
 	test( 'can discard industry changes when navigating back to "Store Details"', async ( {
 		page,
 	} ) => {
+
+		// set up pre-condition to ensure Industries stored in 
+		// storeDetails.us.industries2 have been set 
+		await onboarding.completeIndustrySection(
+			page,
+			storeDetails.us.industries2,
+			storeDetails.us.expectedNumberOfIndustries
+		);
+
+		// Navigate to "Store Details" section to show Save Changes modal prompt
+		await page.locator( 'button >> text=Store Details' ).click();
+
+		// handle save changes modal if displayed
+		const saveChangesModalVisible = await page
+			.locator( '.components-modal__header-heading' )
+			.isVisible();
+		if ( saveChangesModalVisible ) {
+			// Save the changes to ensure the test is now in the correct state
+			// independent of the previous test results
+			await onboarding.handleSaveChangesModal( page, { saveChanges: true } );
+		}
+
+		// test proper begins
 		await onboarding.completeIndustrySection(
 			page,
 			storeDetails.us.industries,