diff --git a/src/backend/model/jobs/jobs/Job.ts b/src/backend/model/jobs/jobs/Job.ts
index 3ce98a24..bbd76fc0 100644
--- a/src/backend/model/jobs/jobs/Job.ts
+++ b/src/backend/model/jobs/jobs/Job.ts
@@ -77,6 +77,10 @@ export abstract class Job<T = void> implements IJob<T> {
     };
   }
 
+  /**
+   * Returns with true if more steps are left or false if no more
+   * @protected
+   */
   protected abstract step(): Promise<boolean>;
 
   protected abstract init(): Promise<void>;
diff --git a/test/backend/unit/model/sql/IndexingManager.ts b/test/backend/unit/model/sql/IndexingManager.ts
index b53f1495..64fbf083 100644
--- a/test/backend/unit/model/sql/IndexingManager.ts
+++ b/test/backend/unit/model/sql/IndexingManager.ts
@@ -15,7 +15,7 @@ import {PersonManager} from '../../../../../src/backend/model/database/sql/Perso
 import {DBTestHelper} from '../../../DBTestHelper';
 import {VersionManager} from '../../../../../src/backend/model/database/sql/VersionManager';
 import {DiskMangerWorker} from '../../../../../src/backend/model/threading/DiskMangerWorker';
-import {ReIndexingSensitivity, ServerConfig} from '../../../../../src/common/config/private/PrivateConfig';
+import {ReIndexingSensitivity} from '../../../../../src/common/config/private/PrivateConfig';
 
 const deepEqualInAnyOrder = require('deep-equal-in-any-order');
 const chai = require('chai');
@@ -473,6 +473,32 @@ describe('IndexingManager', (sqlHelper: DBTestHelper) => {
   });
 
 
+  it('should reset DB', async () => {
+    const gm = new GalleryManagerTest();
+    const im = new IndexingManagerTest();
+
+    const parent = TestHelper.getRandomizedDirectoryEntry();
+    const p1 = TestHelper.getRandomizedPhotoEntry(parent, 'Photo1');
+    const p2 = TestHelper.getRandomizedPhotoEntry(parent, 'Photo2');
+
+    DirectoryDTOUtils.packDirectory(parent);
+    await im.saveToDB(Utils.clone(parent));
+
+    const conn = await SQLConnection.getConnection();
+    const selected = await gm.selectParentDir(conn, parent.name, parent.path);
+    await gm.fillParentDir(conn, selected);
+
+    DirectoryDTOUtils.packDirectory(selected);
+    removeIds(selected);
+    expect(Utils.clone(Utils.removeNullOrEmptyObj(selected)))
+      .to.deep.equal(Utils.clone(Utils.removeNullOrEmptyObj(parent)));
+
+    await im.resetDB();
+    const selectReset = await gm.selectParentDir(conn, parent.name, parent.path);
+    expect(selectReset).to.deep.equal(undefined);
+  });
+
+
   (it('should save 1500 photos', async () => {
     const conn = await SQLConnection.getConnection();
     const gm = new GalleryManagerTest();