Migrate Core settings test case

test/e2e/specs/editor/various/core-settings-test.spec.js

@@ -0,0 +1,56 @@
+/**
+ * WordPress dependencies
+ */
+const { test, expect } = require( '@wordpress/e2e-test-utils-playwright' );
+
+test.use({
+	settingUtils: async ({ page, admin, requestUtils }, use) => {
+		await use(new SettingUtils({ page, admin, requestUtils }));
+	},
+});
+test.describe( 'Settings', () => {
+
+	test('Regression: updating a specific option will only change its value and will not corrupt others', async ( {
+		page,
+		admin,
+		settingUtils
+	} ) => {
+
+		const optionsInputsSelector =
+			'form#all-options table.form-table input:not([id*="_transient"]):not([id="blogdescription"])';
+		const optionsBefore = await settingUtils.getOptionsValues(optionsInputsSelector);
+
+		await admin.visitAdminPage('options-general.php');
+		await page.type(
+			'input#blogdescription',
+			'Just another Gutenberg site'
+		);
+		await page.click('role=button[name="Save Changes"i]');
+
+		const optionsAfter = await settingUtils.getOptionsValues(optionsInputsSelector);
+
+		Object.entries(optionsBefore).forEach((optionBefore) => {
+			const [id] = optionBefore;
+			const optionAfter = [id, optionsAfter[id]];
+			expect(optionAfter).toStrictEqual(optionBefore);
+		});
+	} );
+} );
+
+class SettingUtils {
+	constructor({ page, admin }) {
+		this.page = page;
+		this.admin = admin;	
+	}
+
+	async  getOptionsValues(selector) {
+		await this.admin.visitAdminPage('options.php');
+	return this.page.evaluate((theSelector) => {
+		const inputs = Array.from(document.querySelectorAll(theSelector));
+		return inputs.reduce((memo, input) => {
+			memo[input.id] = input.value;
+			return memo;
+		}, {});
+	}, selector);
+}
+}