fix: Task Runner Auth CI fail with busy event loop (no-changelog) (#11057)

packages/cli/src/runners/auth/__tests__/task-runner-auth.service.test.ts

@@ -3,6 +3,7 @@ import { sleep } from 'n8n-workflow';
 
 import config from '@/config';
 import { CacheService } from '@/services/cache/cache.service';
+import { retryUntil } from '@test-integration/retry-until';
 
 import { mockInstance } from '../../../../test/shared/mocking';
 import { TaskRunnerAuthService } from '../task-runner-auth.service';
@@ -86,7 +87,9 @@ describe('TaskRunnerAuthService', () => {
 			// Act
 			await sleep(TTL + 1);
 
-			expect(await authService.tryConsumeGrantToken(grantToken)).toBe(false);
+			await retryUntil(async () =>
+				expect(await authService.tryConsumeGrantToken(grantToken)).toBe(false),
+			);
 		});
 	});
 });

packages/cli/test/integration/shared/retry-until.ts

@@ -0,0 +1,32 @@
+/**
+ * Retries the given assertion until it passes or the timeout is reached
+ *
+ * @example
+ * await retryUntil(
+ *   () => expect(service.someState).toBe(true)
+ * );
+ */
+export const retryUntil = async (
+	assertion: () => Promise<void> | void,
+	{ interval = 20, timeout = 1000 } = {},
+) => {
+	return await new Promise((resolve, reject) => {
+		const startTime = Date.now();
+
+		const tryAgain = () => {
+			setTimeout(async () => {
+				try {
+					resolve(await assertion());
+				} catch (error) {
+					if (Date.now() - startTime > timeout) {
+						reject(error);
+					} else {
+						tryAgain();
+					}
+				}
+			}, interval);
+		};
+
+		tryAgain();
+	});
+};