Migrate 'nux' e2e tests to Playwright (#57542)

* Migrate 'nux' e2e tests to Playwright
* Remove old test file

Co-authored-by: Sandesh <sandesh2643@gmail.com>

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

@@ -0,0 +1,138 @@
+/**
+ * WordPress dependencies
+ */
+const { test, expect } = require( '@wordpress/e2e-test-utils-playwright' );
+
+test.describe( 'New User Experience (NUX)', () => {
+	test( 'should show the guide to first-time users', async ( {
+		admin,
+		editor,
+		page,
+	} ) => {
+		await admin.createNewPost( { showWelcomeGuide: true } );
+
+		const welcomeGuide = page.getByRole( 'dialog', {
+			name: 'Welcome to the block editor',
+		} );
+		const guideHeading = welcomeGuide.getByRole( 'heading', { level: 1 } );
+		const nextButton = welcomeGuide.getByRole( 'button', { name: 'Next' } );
+		const prevButton = welcomeGuide.getByRole( 'button', {
+			name: 'Previous',
+		} );
+
+		await expect( guideHeading ).toHaveText(
+			'Welcome to the block editor'
+		);
+
+		await nextButton.click();
+		await expect( guideHeading ).toHaveText( 'Make each block your own' );
+
+		await prevButton.click();
+		// Guide should be on page 1 of 4
+		await expect( guideHeading ).toHaveText(
+			'Welcome to the block editor'
+		);
+
+		// Press the button for Page 2.
+		await welcomeGuide
+			.getByRole( 'button', { name: 'Page 2 of 4' } )
+			.click();
+		await expect( guideHeading ).toHaveText( 'Make each block your own' );
+
+		// Press the right arrow key for Page 3.
+		await page.keyboard.press( 'ArrowRight' );
+		await expect( guideHeading ).toHaveText(
+			'Get to know the block library'
+		);
+
+		// Press the right arrow key for Page 4.
+		await page.keyboard.press( 'ArrowRight' );
+		await expect( guideHeading ).toHaveText(
+			'Learn how to use the block editor'
+		);
+
+		// Click on the *visible* 'Get started' button.
+		await welcomeGuide
+			.getByRole( 'button', { name: 'Get started' } )
+			.click();
+
+		// Guide should be closed.
+		await expect( welcomeGuide ).toBeHidden();
+
+		// Reload the editor.
+		await page.reload();
+
+		// Guide should be closed.
+		await expect(
+			editor.canvas.getByRole( 'textbox', { name: 'Add title' } )
+		).toBeVisible();
+		await expect( welcomeGuide ).toBeHidden();
+	} );
+
+	test( 'should not show the welcome guide again if it is dismissed', async ( {
+		admin,
+		editor,
+		page,
+	} ) => {
+		await admin.createNewPost( { showWelcomeGuide: true } );
+
+		const welcomeGuide = page.getByRole( 'dialog', {
+			name: 'Welcome to the block editor',
+		} );
+
+		await expect( welcomeGuide ).toBeVisible();
+		await welcomeGuide.getByRole( 'button', { name: 'Close' } ).click();
+
+		// Reload the editor.
+		await page.reload();
+		await expect(
+			editor.canvas.getByRole( 'textbox', { name: 'Add title' } )
+		).toBeFocused();
+
+		await expect( welcomeGuide ).toBeHidden();
+	} );
+
+	test( 'should focus post title field after welcome guide is dismissed and post is empty', async ( {
+		admin,
+		editor,
+		page,
+	} ) => {
+		await admin.createNewPost( { showWelcomeGuide: true } );
+
+		const welcomeGuide = page.getByRole( 'dialog', {
+			name: 'Welcome to the block editor',
+		} );
+
+		await expect( welcomeGuide ).toBeVisible();
+		await welcomeGuide.getByRole( 'button', { name: 'Close' } ).click();
+
+		await expect(
+			editor.canvas.getByRole( 'textbox', { name: 'Add title' } )
+		).toBeFocused();
+	} );
+
+	test( 'should show the welcome guide if it is manually opened', async ( {
+		admin,
+		page,
+	} ) => {
+		await admin.createNewPost();
+		const welcomeGuide = page.getByRole( 'dialog', {
+			name: 'Welcome to the block editor',
+		} );
+
+		await expect( welcomeGuide ).toBeHidden();
+
+		// Manually open the guide
+		await page
+			.getByRole( 'region', {
+				name: 'Editor top bar',
+			} )
+			.getByRole( 'button', { name: 'Options' } )
+			.click();
+		await page
+			.getByRole( 'menuitemcheckbox', { name: 'Welcome Guide' } )
+			.click();
+
+		await expect( welcomeGuide ).toBeVisible();
+	} );
+} );