Add e2e test

test/e2e/specs/site-editor/page-list.spec.js

@@ -0,0 +1,56 @@
+/**
+ * WordPress dependencies
+ */
+const { test, expect } = require( '@wordpress/e2e-test-utils-playwright' );
+
+test.describe( 'Page List', () => {
+	test.beforeAll( async ( { requestUtils } ) => {
+		// Activate a theme with permissions to access the site editor.
+		await requestUtils.activateTheme( 'emptytheme' );
+		await requestUtils.createPage( {
+			title: 'Privacy Policy',
+			status: 'publish',
+		} );
+		await requestUtils.createPage( {
+			title: 'Sample Page',
+			status: 'publish',
+		} );
+	} );
+
+	test.afterAll( async ( { requestUtils } ) => {
+		// Go back to the default theme.
+		await Promise.all( [
+			requestUtils.activateTheme( 'twentytwentyone' ),
+			requestUtils.deleteAllPages(),
+		] );
+	} );
+
+	test.beforeEach( async ( { admin, page } ) => {
+		// Go to the pages page, as it has the list layout enabled by default.
+		await admin.visitSiteEditor();
+		await page.getByRole( 'button', { name: 'Pages' } ).click();
+	} );
+
+	test( 'Persists filter/search when switching layout', async ( {
+		page,
+	} ) => {
+		// Search pages
+		await page
+			.getByRole( 'searchbox', { name: 'Search' } )
+			.fill( 'Privacy' );
+
+		// Switch layout
+		await page.getByRole( 'button', { name: 'Layout' } ).click();
+		await page.getByRole( 'menuitemradio', { name: 'Table' } ).click();
+
+		// Confirm the table is visible
+		await expect( page.getByRole( 'table' ) ).toContainText(
+			'Privacy Policy'
+		);
+
+		// The search should still contain the search term
+		await expect(
+			page.getByRole( 'searchbox', { name: 'Search' } )
+		).toHaveValue( 'Privacy' );
+	} );
+} );