[WIP] Add initial fixes for concurrency (#9321)

* Add initial fixes for concurrency

* Added memory edit for notifications

* Fixed tag delete

* Fixed adding and moving task order

* Updated delete task

* Fixed lint

* Fixed task adding

* Switch to mongoose push and pull

test/api/v3/integration/tasks/DELETE-tasks_id.test.js

@@ -141,6 +141,16 @@ describe('DELETE /tasks/:id', () => {
       });
     });
 
-    it('removes a task from user.tasksOrder'); // TODO
+    it('removes a task from user.tasksOrder', async () => {
+      let task = await user.post('/tasks/user', {
+        text: 'test habit',
+        type: 'habit',
+      });
+
+      await user.del(`/tasks/${task._id}`);
+      await user.sync();
+
+      expect(user.tasksOrder.habits.indexOf(task._id)).to.eql(-1);
+    });
   });
 });

test/api/v3/integration/tasks/POST-tasks_move_taskId_to_position.test.js

@@ -40,9 +40,13 @@ describe('POST /tasks/:taskId/move/to/:position', () => {
 
     let taskToMove = tasks[1];
     expect(taskToMove.text).to.equal('habit 2');
+
     let newOrder = await user.post(`/tasks/${tasks[1]._id}/move/to/3`);
+    await user.sync();
+
     expect(newOrder[3]).to.equal(taskToMove._id);
     expect(newOrder.length).to.equal(5);
+    expect(user.tasksOrder.habits).to.eql(newOrder);
   });
 
   it('can move task to new position using alias', async () => {