code: def setUp(self):
      self._client = fake_cloud_client.FakeDatastoreClient()
      self._key1 = self._client.key("abc", "def")
      self._key2 = self._client.key("qwe", "rty", parent=self._key1)
      self._entity1 = self._client.entity(self._key1)
      self._entity1["k1"] = "v1"
      self._entity2 = self._client.entity(self._key2)
      self._entity2["k2"] = "v2"
      self._entity2["k3"] = "v3"
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import copy
  from io import BytesIO
  import unittest
  from eval_lib.tests import fake_cloud_client
  from six import assertCountEqual
  from six import b
label_desc: Use image node_id 1 for calling the FakeDatastoreClientTest obj's underlying member method code with example usage: obj.setUp() without return types