test: Migrate UI tests from Cypress -> Playwright (no-changelog) (#18201)

packages/testing/playwright/tests/ui/env-feature-flags.spec.ts

@@ -0,0 +1,44 @@
+import { test, expect } from '../../fixtures/base';
+
+test.describe
+	.serial('Environment Feature Flags', () => {
+		test('should set feature flags at runtime and load it back in envFeatureFlags from backend settings', async ({
+			api,
+		}) => {
+			const setResponse = await api.setEnvFeatureFlags({
+				N8N_ENV_FEAT_TEST: 'true',
+			});
+
+			expect(setResponse.data.success).toBe(true);
+			expect(setResponse.data.message).toBe('Environment feature flags updated');
+
+			expect(setResponse.data.flags).toBeInstanceOf(Object);
+			expect(setResponse.data.flags['N8N_ENV_FEAT_TEST']).toBe('true');
+
+			const currentFlags = await api.getEnvFeatureFlags();
+
+			expect(currentFlags).toBeInstanceOf(Object);
+			expect(currentFlags.data['N8N_ENV_FEAT_TEST']).toBe('true');
+		});
+
+		test('should reset feature flags at runtime', async ({ api }) => {
+			const setResponse1 = await api.setEnvFeatureFlags({
+				N8N_ENV_FEAT_TEST: 'true',
+			});
+
+			expect(setResponse1.data.success).toBe(true);
+			expect(setResponse1.data.flags['N8N_ENV_FEAT_TEST']).toBe('true');
+
+			const clearResponse = await api.clearEnvFeatureFlags();
+
+			expect(clearResponse.data.success).toBe(true);
+
+			expect(clearResponse.data.flags).toBeInstanceOf(Object);
+			expect(clearResponse.data.flags['N8N_ENV_FEAT_TEST']).toBeUndefined();
+
+			const currentFlags = await api.getEnvFeatureFlags();
+
+			expect(currentFlags).toBeInstanceOf(Object);
+			expect(currentFlags.data['N8N_ENV_FEAT_TEST']).toBeUndefined();
+		});
+	});