Add setGutenbergExperiments to requestUtils (#56663)

* Add setGutenbergExperiments util

* Use it in one of the tests

* Fix test

packages/e2e-test-utils-playwright/src/request-utils/gutenberg-experiments.ts

@@ -0,0 +1,40 @@
+/**
+ * Internal dependencies
+ */
+import type { RequestUtils } from './index';
+
+/**
+ * Sets the Gutenberg experiments.
+ *
+ * @param this
+ * @param experiments Array of experimental flags to enable. Pass in an empty array to disable all experiments.
+ */
+async function setGutenbergExperiments(
+	this: RequestUtils,
+	experiments: string[]
+) {
+	const response = await this.request.get(
+		'/wp-admin/admin.php?page=gutenberg-experiments'
+	);
+	const html = await response.text();
+	const nonce = html.match( /name="_wpnonce" value="([^"]+)"/ )![ 1 ];
+
+	await this.request.post( '/wp-admin/options.php', {
+		form: {
+			option_page: 'gutenberg-experiments',
+			action: 'update',
+			_wpnonce: nonce,
+			_wp_http_referer: '/wp-admin/admin.php?page=gutenberg-experiments',
+			...Object.fromEntries(
+				experiments.map( ( experiment ) => [
+					`gutenberg-experiments[${ experiment }]`,
+					1,
+				] )
+			),
+			submit: 'Save Changes',
+		},
+		failOnStatusCode: true,
+	} );
+}
+
+export { setGutenbergExperiments };

packages/e2e-test-utils-playwright/src/request-utils/index.ts

@@ -36,6 +36,7 @@ import { resetPreferences } from './preferences';
 import { getSiteSettings, updateSiteSettings } from './site-settings';
 import { deleteAllWidgets, addWidgetBlock } from './widgets';
 import { deleteAllPatternCategories } from './patterns';
+import { setGutenbergExperiments } from './gutenberg-experiments';
 
 interface StorageState {
 	cookies: Cookie[];
@@ -205,6 +206,9 @@ class RequestUtils {
 		getThemeGlobalStylesRevisions.bind( this );
 	/** @borrows deleteAllPatternCategories as this.deleteAllPatternCategories */
 	deleteAllPatternCategories = deleteAllPatternCategories.bind( this );
+	/** @borrows setGutenbergExperiments as this.setGutenbergExperiments */
+	setGutenbergExperiments: typeof setGutenbergExperiments =
+		setGutenbergExperiments.bind( this );
 }
 
 export type { StorageState };

test/e2e/specs/site-editor/new-templates-list.spec.js

@@ -7,14 +7,14 @@ test.describe( 'Templates', () => {
 	test.beforeAll( async ( { requestUtils } ) => {
 		await Promise.all( [
 			requestUtils.activateTheme( 'emptytheme' ),
-			requestUtils.activatePlugin( 'gutenberg-test-dataviews' ),
+			requestUtils.setGutenbergExperiments( [ 'gutenberg-dataviews' ] ),
 		] );
 	} );
 	test.afterAll( async ( { requestUtils } ) => {
 		await Promise.all( [
 			requestUtils.activateTheme( 'twentytwentyone' ),
-			requestUtils.deactivatePlugin( 'gutenberg-test-dataviews' ),
 			requestUtils.deleteAllTemplates( 'wp_template' ),
+			requestUtils.setGutenbergExperiments( [] ),
 		] );
 	} );
 	test( 'Sorting', async ( { admin, page } ) => {