Preview tests: Wait for the post-status change (#43874)

* Preview tests: Wait for the post-status change

* Fix

* Close dropdown if open

* Update test/e2e/specs/editor/various/preview.spec.js

Co-authored-by: Kai Hao <kevin830726@gmail.com>

* Link PR in comment

* Remove dropdown check

Co-authored-by: Kai Hao <kevin830726@gmail.com>

test/e2e/specs/editor/various/preview.spec.js

@@ -184,6 +184,12 @@ test.describe( 'Preview', () => {
 		// FIXME: The confirmation dialog is not named yet.
 		await page.click( 'role=dialog >> role=button[name="OK"i]' );
 
+		// Wait for the status change.
+		// @see https://github.com/WordPress/gutenberg/pull/43933
+		await expect(
+			page.locator( 'role=button[name="Publish"i]' )
+		).toBeVisible();
+
 		// Change the title.
 		await editorPage.type( 'role=textbox[name="Add title"i]', ' Draft' );