ci: Playwright project organization (#17905)

packages/testing/playwright/tests/chaos/multimain.spec.ts

@@ -0,0 +1,22 @@
+import { test, expect } from '../../fixtures/base';
+
+test('Leader election @mode:multi-main @chaostest', async ({ chaos }) => {
+	// First get the container (try main 1 first)
+	const namePattern = 'n8n-main-*';
+
+	const findContainerByLog = await chaos.waitForLog('Leader is now this', {
+		namePattern,
+	});
+
+	expect(findContainerByLog).toBeDefined();
+	const currentLeader = findContainerByLog.containerName;
+	// Stop leader
+	await chaos.stopContainer(currentLeader);
+
+	// Find new leader
+	const newLeader = await chaos.waitForLog('Leader is now this', {
+		namePattern,
+	});
+
+	expect(newLeader).toBeDefined();
+});