Fix missing cancelTask in mock SchedulerService implementations

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Signed-off-by: Fredrik Adelöw <freben@spotify.com>

.github/vale/config/vocabularies/Backstage/accept.txt

@@ -246,6 +246,7 @@ Levenshtein
 lightbox
 Lightsail
 limitranges
+liveness
 LocalStack
 lockdown
 lockfile

packages/backend-defaults/src/entrypoints/scheduler/lib/PluginTaskSchedulerImpl.test.ts

@@ -477,14 +477,12 @@ describe('PluginTaskManagerImpl', () => {
       async databaseId => {
         const { manager } = await init(databaseId);
 
-        const fn = jest.fn();
-        const promise = new Promise(resolve => fn.mockImplementation(resolve));
         await manager.scheduleTask({
           id: 'task1',
           timeout: Duration.fromMillis(5000),
           frequency: Duration.fromObject({ years: 1 }),
           initialDelay: Duration.fromObject({ years: 1 }),
-          fn,
+          fn: jest.fn(),
           scope: 'global',
         });
 

packages/backend-test-utils/src/services/MockSchedulerService.ts

@@ -95,6 +95,10 @@ export class MockSchedulerService implements SchedulerService {
     });
   }
 
+  async cancelTask(_id: string): Promise<void> {
+    // No-op in mock
+  }
+
   async triggerTask(id: string): Promise<void> {
     const task = this.#tasks.get(id);
     if (!task) {

packages/backend-test-utils/src/services/mockServices.ts

@@ -526,6 +526,7 @@ export namespace mockServices {
       getScheduledTasks: jest.fn(),
       scheduleTask: jest.fn(),
       triggerTask: jest.fn(),
+      cancelTask: jest.fn(),
     }));
   }
 

plugins/catalog-backend-module-gitea/src/providers/GiteaEntityProvider.test.ts

@@ -34,6 +34,7 @@ describe('GiteaEntityProvider', () => {
     triggerTask: jest.fn(),
     scheduleTask: jest.fn(),
     getScheduledTasks: jest.fn(),
+    cancelTask: jest.fn(),
   };
   const mockTaskRunner = {
     run: jest.fn(),