code: def test_find_many_with_projection(self):
      collection = mongomock.MongoClient().db.collection
      objs = [
          {
              "_id": "1",
              "test_find_many_1": "test_value",
              "field_3": "a",
          },
          {
              "_id": "2",
              "test_find_many_2": "test_value",
              "field_3": "b",
          },
      ]
      collection.insert_many(objs)
  
      projection = {"_id": 0}
      result_objs = self.hook.find(
          mongo_collection=collection,
          query={},
          projection=projection,
          find_one=False,
      )
      assert "_id" not in result_objs[0]
  
imports: from __future__ import annotations
  import importlib
  from typing import TYPE_CHECKING
  import pymongo
  import pytest
  from airflow.models import Connection
  from airflow.providers.mongo.hooks.mongo import MongoHook
  from airflow.utils import db
label_desc: Use image node_id 22 for calling the TestMongoHook obj's underlying member method code with example usage: obj.test_find_many_with_projection() without return types