test(e2e): add WebhookFactory

frontend/tests/factories/webhook.ts

@@ -0,0 +1,20 @@
+import {faker} from '@faker-js/faker'
+import {Factory} from '../support/factory'
+
+// The `events` column is a JSON-serialized string in XORM; pass it pre-encoded.
+export class WebhookFactory extends Factory {
+	static table = 'webhooks'
+
+	static factory() {
+		const now = new Date()
+		return {
+			id: '{increment}',
+			project_id: 1,
+			target_url: faker.internet.url(),
+			events: JSON.stringify(['task.created']),
+			created_by_id: 1,
+			created: now.toISOString(),
+			updated: now.toISOString(),
+		}
+	}
+}