backups: use a real targetId

src/test/archives-test.js

@@ -13,7 +13,7 @@ const archives = require('../archives.js'),
     safe = require('safetydance');
 
 describe('Archives', function () {
-    const { setup, cleanup, auditSource } = common;
+    const { setup, cleanup, auditSource, getDefaultBackupTarget } = common;
 
     const appBackup = {
         id: null,
@@ -27,11 +27,13 @@ describe('Archives', function () {
         manifest: null,
         preserveSecs: 0,
         label: '',
-        appConfig: { loc: 'loc1' }
+        appConfig: { loc: 'loc1' },
+        targetId: null
     };
 
     before(async function () {
         await setup();
+        appBackup.targetId = (await getDefaultBackupTarget()).id;
         appBackup.id = await backups.add(appBackup);
     });
     after(cleanup);